Alexander Arms AR15 Standard Rifle Upper .17HMR 18 in Barrel Carbine Length 1-9 Twist 1/2x28 Thread Tacstar Carbon Fiber Handguard A2 Flash hider

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

POF USA Minuteman Upper Receiver 5.56 10.5in Barrel Carbine Length 1-8 Twist 1/2x28 9in Renegade Rail 3-prong Flash Hider Patriot Brown 1817

POF USA Minuteman Upper Receiver 5.56 10.5in Barrel Carbine Length 1-8 Twist 1/2x28 9in Renegade Rail 3-prong Flash Hider Patriot Brown 1817. They took it upon themselves to be trained in various weapons and tactics. We deeply admire their patriotism... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Wilson Combat Complete Upper Receiver Super Sniper .223 Wylde 20 inch Barrel Rifle Length 1-8 Twist 1/2x28 Thread M-LOK Handguard Q-COMP Armor-Tuff

Wilson Combat Complete Upper Receiver Super Sniper .223 Wylde 20 inch Barrel Rifle Length 1-8 Twist 1/2x28 Thread M-LOK Handguard Q-COMP Armor-Tuff. The Wilson Combat machined hand polished match grade stainless barrel is the core of these accurate and... ... more

Rainier Arms Ultramatch MOD2 Barrel AR-15 .223 Wylde 18 in 1-7.5 Twist 1/2x28 Rifle Length Polished Silver RAB-UM2-223-18-R-FF-POL

Rainier Arms Ultramatch MOD2 Barrel AR-15 .223 Wylde 18 in 1-7.5 Twist 1/2x28 Rifle Length Polished Silver RAB-UM2-223-18-R-FF-POL. Their goal is to mass produce them to bring them to market at the most competitive prices. They wanted the best balance... ... more

XTS Complete Upper Receiver w/o BCG w/12in Ce Rail USA Edition AR15 24.75in 12in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Stainless Steel Bird

XTS Complete Upper Receiver w/o BCG w/12in Ce Rail USA Edition AR15 24.75in 12in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Stainless Steel Bird. 56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These XTS... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 5in AR15 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... more

Alexander Arms AR15 Stripped Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Black KIT-65-18

Alexander Arms AR15 Stripped Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Black KIT-65-18. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build. Specifications... ... more

Alexander Arms AR15 Standard Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Tacstar Carbon Fiber Handguard Thread

Alexander Arms AR15 Standard Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Tacstar Carbon Fiber Handguard Thread. . These AR15 Upper Receivers through the professional product specialists at Alexander Arms are fashioned... ... more

NEMO Arms NATO Barrel 5.56 NATO 11.5in Carbine Length 1-8 Twist 1/2x28 Thread 556-11.5-B

NEMO Arms NATO Barrel 5.56 NATO 11.5in Carbine Length 1-8 Twist 1/2x28 Thread 556-11.5-B. Starting with premium blanks NEMO has defined accuracy through precision machining that is done right in shop. Specifications for NEMO Arms NATO Barrel:... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 5in AR15 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 5in AR15 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 5in AR15 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 5in AR15 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish OD

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish OD. 5in AR15 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 5in AR15 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... more

Alexander Arms AR15 Stripped Rifle Upper .50 Beowulf 16 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black KIT-50

Alexander Arms AR15 Stripped Rifle Upper .50 Beowulf 16 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black KIT-50. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build.... ... more

Tiger Rock Threaded Barrel 5.56 NATO 16in Carbine Length 1-8 Twist 1/2x28 Thread Pitch Stainless Steel Silver Large BR168-S

Tiger Rock Threaded Barrel 5.56 NATO 16in Carbine Length 1-8 Twist 1/2x28 Thread Pitch Stainless Steel Silver Large BR168-S. 56 NATO Rifle Threaded Barrel then you have come to the ideal spot.. Formulated by using some of the most extremely strong and... ... more

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 10.5 inch Barrel SOCOM Profile Carbine Length 1-8 Twist 1/2x28 Thread A2 Birdcage

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 10.5 inch Barrel SOCOM Profile Carbine Length 1-8 Twist 1/2x28 Thread A2 Birdcage. 5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly then you have come to the ideal... ... more

LaRue Tactical Stealth A3Threaded Barrel AR Platform AR-15 16in 5.56mm Mid Length 1/8 Twist 1/2x28 Thread Black LT15-6S-M-223-8-16-Y-1M-A3

LaRue Tactical Stealth A3Threaded Barrel AR Platform AR-15 16in 5.56mm Mid Length 1/8 Twist 1/2x28 Thread Black LT15-6S-M-223-8-16-Y-1M-A3. Stealth Uppers are considered by many to be the finest improvement that can be made to a stock AR15 Rifle.... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black AR0375B

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black AR0375B. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider w/Gas Block

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider w/Gas Block. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product professionals... ... more

Rainier Arms Ultramatch MOD2 Barrel AR-15 .223 Wylde 18 in 1-7.5 Twist 1/2x28 Rifle Length Satin Silver RAB-UM2-223-18-R-FF-SAT

Rainier Arms Ultramatch MOD2 Barrel AR-15 .223 Wylde 18 in 1-7.5 Twist 1/2x28 Rifle Length Satin Silver RAB-UM2-223-18-R-FF-SAT. Their goal is to mass produce them to bring them to market at the most competitive prices. They wanted the best balance... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Standard Teflon Black DT1013

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Standard Teflon Black DT1013. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1007C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1007C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build.... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Alexander Arms DIY Upper Kit AR-15 6.5mm Grendel 16 inch Barrel Mid Length 1-8 Twist 5/8x24 Thread Matte Black Melonite KIT-65-16-10RD

Alexander Arms DIY Upper Kit AR-15 6.5mm Grendel 16 inch Barrel Mid Length 1-8 Twist 5/8x24 Thread Matte Black Melonite KIT-65-16-10RD. Specifications for Alexander Arms AR-15 6.5mm Grendel DIY Upper Kit: Manufacturer: Alexander Arms Cartridge: 6.5mm... ... more

AIM Sports Inc Complete AR Pistol Assembly Build Kit 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float Handguard

AIM Sports Inc Complete AR Pistol Assembly Build Kit 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float Handguard. . Developed by using some of the very most sturdy and long lasting materials around these AR15 Upper... ... more

Airborne Arms Hyperion Series Barrel AR-15 16in Mid Length .750 Gas Block 5.56 NATO 1/2x28 Thread 1-8 Twist 416R Steel Silver Medium ABN-AAHB-W16R

Airborne Arms Hyperion Series Barrel AR-15 16in Mid Length .750 Gas Block 5.56 NATO 1/2x28 Thread 1-8 Twist 416R Steel Silver Medium ABN-AAHB-W16R. Airborne Arms crafted these Rifle Barrels from 416R stainless steel for maximum ruggedness. Each... ... more

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash. 300 AAC Blackout Completed Upper then you've showed up at the ideal spot.. These AR15 Upper Receivers... ... more

Outerwild AR15 Barrel 5.56NATO AR Platform 11.5in Government Carbine Length 1-7 Twist 1/2x28 Thread Black Nitride 1101-0201-003-O

Outerwild AR15 Barrel 5.56NATO AR Platform 11.5in Government Carbine Length 1-7 Twist 1/2x28 Thread Black Nitride 1101-0201-003-O. Using fully automated robotically-driven production line drill ream rifle contour and assemble our barrels from raw bar... ... more

Centurion Arms Threaded Rifle Barrel MK12 18 in 416R Stainless Steel 1/2x28 1-7 Twist Rifle Length Stainless NSN 9305.20.9000 MK12B

Centurion Arms Threaded Rifle Barrel MK12 18 in 416R Stainless Steel 1/2x28 1-7 Twist Rifle Length Stainless NSN 9305.20.9000 MK12B. S. government to give Special Operations forces the best possible weapon system. Troops who have carried these AR15... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Standard Teflon Black DT1023

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Standard Teflon Black DT1023. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This package... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1019C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1019C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build.... ... more

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic... ... more

Ghost Firearms Complete Upper Receiver Rifle Lower Parts Kit 9mm 16 inch Carbine Length 4150 Chrome Moly Steel Barrel 1-10 Twist 11 inch M-LOK Rail A2

Ghost Firearms Complete Upper Receiver Rifle Lower Parts Kit 9mm 16 inch Carbine Length 4150 Chrome Moly Steel Barrel 1-10 Twist 11 inch M-LOK Rail A2. Using some of the most reliable materials available these AR15 Lower Parts from the industry experts... ... more