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CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built... ... more

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built...

Optics Planet

$799.95

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CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Coyote Tan 22B83CC-CT

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Coyote Tan 22B83CC-CT

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Coyote Tan 22B83CC-CT. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is... ... more

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Coyote Tan 22B83CC-CT

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Coyote Tan 22B83CC-CT. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is...

Optics Planet

$799.95

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CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Charcoal Green 22B83CC-CG

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Charcoal Green 22B83CC-CG

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Charcoal Green 22B83CC-CG. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is... ... more

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Charcoal Green 22B83CC-CG

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Charcoal Green 22B83CC-CG. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is...

Optics Planet

$799.95

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CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Midnight Bronze 22B83CC-MB

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Midnight Bronze 22B83CC-MB

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Midnight Bronze 22B83CC-MB. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is... ... more

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Midnight Bronze 22B83CC-MB

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Midnight Bronze 22B83CC-MB. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is...

Optics Planet

$799.95

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CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Tungsten 22B83CC-TNG

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Tungsten 22B83CC-TNG

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Tungsten 22B83CC-TNG. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built... ... more

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Tungsten 22B83CC-TNG

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Tungsten 22B83CC-TNG. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built...

Optics Planet

$799.95

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CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Sniper Grey 55BC7C3-SG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Sniper Grey 55BC7C3-SG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Sniper Grey 55BC7C3-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... ... more

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Sniper Grey 55BC7C3-SG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Sniper Grey 55BC7C3-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere....

Optics Planet

$899.95

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CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Sniper Grey 64BCF88-SG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Sniper Grey 64BCF88-SG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Sniper Grey 64BCF88-SG. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on the... ... more

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Sniper Grey 64BCF88-SG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Sniper Grey 64BCF88-SG. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on the...

Optics Planet

$899.95

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CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Sniper Grey 35B5FBC-SG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Sniper Grey 35B5FBC-SG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Sniper Grey 35B5FBC-SG. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications... ... more

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Sniper Grey 35B5FBC-SG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Sniper Grey 35B5FBC-SG. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications...

Optics Planet

$899.95

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CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Sniper Grey 60B1091-SG

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Sniper Grey 60B1091-SG

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Sniper Grey 60B1091-SG. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG Cartridge:... ... more

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Sniper Grey 60B1091-SG

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Sniper Grey 60B1091-SG. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG Cartridge:...

Optics Planet

$899.95

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CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group... ... more

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group...

Optics Planet

$749.95

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CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Sniper Grey 57B40E4-SG

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Sniper Grey 57B40E4-SG

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Sniper Grey 57B40E4-SG. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this... ... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Sniper Grey 57B40E4-SG

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Sniper Grey 57B40E4-SG. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this...

Optics Planet

$999.95

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CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Sniper Grey 22B5BD4-SG

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Sniper Grey 22B5BD4-SG

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Sniper Grey 22B5BD4-SG. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is... ... more

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Sniper Grey 22B5BD4-SG

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Sniper Grey 22B5BD4-SG. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is...

Optics Planet

$724.95

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CMMG Mk4 Resolute Upper Receiver Group .22 Long Rifle 17in Armor Black 22B83CC-AB

CMMG Mk4 Resolute Upper Receiver Group .22 Long Rifle 17in Armor Black 22B83CC-AB

CMMG Mk4 Resolute Upper Receiver Group .22 Long Rifle 17in Armor Black 22B83CC-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... ... more

CMMG Mk4 Resolute Upper Receiver Group .22 Long Rifle 17in Armor Black 22B83CC-AB

CMMG Mk4 Resolute Upper Receiver Group .22 Long Rifle 17in Armor Black 22B83CC-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper...

Optics Planet

$799.95

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CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Charcoal Green 57B40E4-CG

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Charcoal Green 57B40E4-CG

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Charcoal Green 57B40E4-CG. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine... ... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Charcoal Green 57B40E4-CG

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Charcoal Green 57B40E4-CG. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine...

Optics Planet

$999.95

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CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium 99BE6B6-TI

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium 99BE6B6-TI

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium 99BE6B6-TI. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG... ... more

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium 99BE6B6-TI

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium 99BE6B6-TI. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG...

Optics Planet

$999.95

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CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Coyote Tan 99BE6B6-CT

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Coyote Tan 99BE6B6-CT

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Coyote Tan 99BE6B6-CT. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably... ... more

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Coyote Tan 99BE6B6-CT

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Coyote Tan 99BE6B6-CT. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably...

Optics Planet

$999.95

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CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Midnight Bronze 99BE6B6-MB

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Midnight Bronze 99BE6B6-MB

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Midnight Bronze 99BE6B6-MB. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is... ... more

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Midnight Bronze 99BE6B6-MB

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Midnight Bronze 99BE6B6-MB. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is...

Optics Planet

$999.95

FREE shipping

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CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Sniper Grey 30B81F4-SG

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Sniper Grey 30B81F4-SG

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Sniper Grey 30B81F4-SG. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking... ... more

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Sniper Grey 30B81F4-SG

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Sniper Grey 30B81F4-SG. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking...

Optics Planet

$824.95

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CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Sniper Grey 55BDFF4-SG

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Sniper Grey 55BDFF4-SG

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Sniper Grey 55BDFF4-SG. 5 5.56mm BANSHEE upper group with the Mk4/standard AR15 lower group of your choice to create a compact AR pistol or SBR that blends maneuverability with carbine like... ... more

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Sniper Grey 55BDFF4-SG

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 12.5in Sniper Grey 55BDFF4-SG. 5 5.56mm BANSHEE upper group with the Mk4/standard AR15 lower group of your choice to create a compact AR pistol or SBR that blends maneuverability with carbine like...

Optics Planet

$874.95

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CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Sniper Grey 46B965A-SG

CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Sniper Grey 46B965A-SG

CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Sniper Grey 46B965A-SG. 6x30mm firearm to the U.S. civilian market continuing a tradition of innovation shooters everywhere can now build a light recoiling flat shooting PDW (personal defense weapon)... ... more

CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Sniper Grey 46B965A-SG

CMMG Mk4 4.6X30mm Banshee Upper Group Receiver 8in Sniper Grey 46B965A-SG. 6x30mm firearm to the U.S. civilian market continuing a tradition of innovation shooters everywhere can now build a light recoiling flat shooting PDW (personal defense weapon)...

Optics Planet

$824.95

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CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Sniper Grey 55B8D53-SG

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Sniper Grey 55B8D53-SG

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Sniper Grey 55B8D53-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... ... more

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Sniper Grey 55B8D53-SG

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Sniper Grey 55B8D53-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere....

Optics Planet

$849.95

FREE shipping

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CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Sniper Grey 30B8A6F-SG

CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Sniper Grey 30B8A6F-SG

CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Sniper Grey 30B8A6F-SG. With the 12.5 BANSHEE upper group you can build your next 300BLK AR with character like no other. Specifications for CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver:... ... more

CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Sniper Grey 30B8A6F-SG

CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Sniper Grey 30B8A6F-SG. With the 12.5 BANSHEE upper group you can build your next 300BLK AR with character like no other. Specifications for CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver:...

Optics Planet

$874.95

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CMMG Mk4 Resolute Upper Receiver Group 6.5mm Grendel 16.1in Armor Black 64BCF88-AB

CMMG Mk4 Resolute Upper Receiver Group 6.5mm Grendel 16.1in Armor Black 64BCF88-AB

CMMG Mk4 Resolute Upper Receiver Group 6.5mm Grendel 16.1in Armor Black 64BCF88-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... ... more

CMMG Mk4 Resolute Upper Receiver Group 6.5mm Grendel 16.1in Armor Black 64BCF88-AB

CMMG Mk4 Resolute Upper Receiver Group 6.5mm Grendel 16.1in Armor Black 64BCF88-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper...

Optics Planet

$899.95

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CMMG Mk4 Resolute Upper Receiver Group .300 AAC Blackout 16.1in Armor Black 30B12BB-AB

CMMG Mk4 Resolute Upper Receiver Group .300 AAC Blackout 16.1in Armor Black 30B12BB-AB

CMMG Mk4 Resolute Upper Receiver Group .300 AAC Blackout 16.1in Armor Black 30B12BB-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute... ... more

CMMG Mk4 Resolute Upper Receiver Group .300 AAC Blackout 16.1in Armor Black 30B12BB-AB

CMMG Mk4 Resolute Upper Receiver Group .300 AAC Blackout 16.1in Armor Black 30B12BB-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute...

Optics Planet

$899.95

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CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Tungsten 30B12BB-TNG

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Tungsten 30B12BB-TNG

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Tungsten 30B12BB-TNG. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking... ... more

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Tungsten 30B12BB-TNG

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Tungsten 30B12BB-TNG. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking...

Optics Planet

$899.95

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CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Tungsten 35B5FBC-TNG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Tungsten 35B5FBC-TNG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Tungsten 35B5FBC-TNG. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications... ... more

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Tungsten 35B5FBC-TNG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Tungsten 35B5FBC-TNG. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications...

Optics Planet

$899.95

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CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... ... more

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper...

Optics Planet

$899.95

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CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Midnight Bronze 64BCF88-MB

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Midnight Bronze 64BCF88-MB

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Midnight Bronze 64BCF88-MB. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on... ... more

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Midnight Bronze 64BCF88-MB

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Midnight Bronze 64BCF88-MB. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on...

Optics Planet

$899.95

FREE shipping

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CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Coyote Tan 30B12BB-CT

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Coyote Tan 30B12BB-CT

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Coyote Tan 30B12BB-CT. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone... ... more

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Coyote Tan 30B12BB-CT

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Coyote Tan 30B12BB-CT. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone...

Optics Planet

$899.95

FREE shipping

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CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Titanium 30B12BB-TI

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Titanium 30B12BB-TI

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Titanium 30B12BB-TI. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking... ... more

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Titanium 30B12BB-TI

CMMG Mk4 .300BLK Resolute Upper Group Receiver 16.1in Titanium 30B12BB-TI. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking...

Optics Planet

$899.95

FREE shipping

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CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... ... more

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Tungsten 55BC7C3-TNG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This...

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CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Charcoal Green 64BCF88-CG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Charcoal Green 64BCF88-CG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Charcoal Green 64BCF88-CG. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on... ... more

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Charcoal Green 64BCF88-CG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Charcoal Green 64BCF88-CG. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on...

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CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Coyote Tan 60B1091-CT

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Coyote Tan 60B1091-CT

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Coyote Tan 60B1091-CT. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG Cartridge:... ... more

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Coyote Tan 60B1091-CT

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Coyote Tan 60B1091-CT. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG Cartridge:...

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CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Tungsten 64BCF88-TNG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Tungsten 64BCF88-TNG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Tungsten 64BCF88-TNG. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on the... ... more

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Tungsten 64BCF88-TNG

CMMG Mk4 6.5 Grendel Resolute Upper Group Receiver 16.1in Tungsten 64BCF88-TNG. 5 Grendel offers efficient ballistic performance native to many 6.5mm bullet designs. The upside here is that this RESOLUTE Mk4 Upper Group in 6.5 Grendel is built on the...

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CMMG Mk4 Resolute Upper Receiver Group 6mm ARC 16.1in Armor Black 60B1091-AB

CMMG Mk4 Resolute Upper Receiver Group 6mm ARC 16.1in Armor Black 60B1091-AB

CMMG Mk4 Resolute Upper Receiver Group 6mm ARC 16.1in Armor Black 60B1091-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... ... more

CMMG Mk4 Resolute Upper Receiver Group 6mm ARC 16.1in Armor Black 60B1091-AB

CMMG Mk4 Resolute Upper Receiver Group 6mm ARC 16.1in Armor Black 60B1091-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper...

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CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium 35B5FBC-TI

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium 35B5FBC-TI

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium 35B5FBC-TI. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications for... ... more

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium 35B5FBC-TI

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Titanium 35B5FBC-TI. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications for...

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CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Tungsten 60B1091-TNG

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Tungsten 60B1091-TNG

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Tungsten 60B1091-TNG. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG Cartridge:... ... more

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Tungsten 60B1091-TNG

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Tungsten 60B1091-TNG. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG Cartridge:...

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CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Titanium 55BC7C3-TI

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Titanium 55BC7C3-TI

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Titanium 55BC7C3-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... ... more

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Titanium 55BC7C3-TI

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Titanium 55BC7C3-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This...

Optics Planet

$899.95

FREE shipping

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CMMG Mk4 Resolute Upper Receiver Group .350 Legend 16.1in Armor Black 35B5FBC-AB

CMMG Mk4 Resolute Upper Receiver Group .350 Legend 16.1in Armor Black 35B5FBC-AB

CMMG Mk4 Resolute Upper Receiver Group .350 Legend 16.1in Armor Black 35B5FBC-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... ... more

CMMG Mk4 Resolute Upper Receiver Group .350 Legend 16.1in Armor Black 35B5FBC-AB

CMMG Mk4 Resolute Upper Receiver Group .350 Legend 16.1in Armor Black 35B5FBC-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper...

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$899.95

FREE shipping

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