Quarter Circle 10 Side Charging Complete 45 ACP Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-45-16

Quarter Circle 10 Side Charging Complete 45 ACP Upper Receiver Assembly 7.5in Barrel Black QC-CU-PSCU-G-45-7.5

Quarter Circle 10 Side Charging Complete 45 ACP Upper Receiver Assembly 7.5in Barrel Black QC-CU-PSCU-G-45-7.5. The patent-pending left side charging handle will allow you to charge your .45ACP cartridges out of the side of your receiver without fear... ... more

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 10.5in Black QC-CU-PSCU-G-9-10.5 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 10.5in Black QC-CU-PSCU-G-9-10.5 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible with... ... more

Quarter Circle 10 Complete 9mm Upper w/ PMUR 16in Barrel 1/2 - 28 15in HG FH Black QC-CU-G9-16

Quarter Circle 10 Complete 9mm Upper w/ PMUR 16in Barrel 1/2 - 28 15in HG FH Black QC-CU-G9-16. 355 Caliber Features of Quarter Circle 10 Complete 9mm Upper w/ PMUR: QC10 Billet Rear Charging Upper Receiver 9x19mm QPQ Nitride-Treated Barrel Compatible... ... more

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251Q14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251Q14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these... ... more

Stern Defense AR-15 Upper Receiver .45 ACP 16.1in Barrel 15in MLOK Rail SD BU45 Bolt SD CH1 Charging Handle SD CB45 Comp Break Black

Stern Defense AR-15 Upper Receiver .45 ACP 16.1in Barrel 15in MLOK Rail SD BU45 Bolt SD CH1 Charging Handle SD CB45 Comp Break Black. WHILE OUR 45 BOLT WILL ACCOMMODATE A JP SILENT CAPTURE SPRING. WE DO NOT RECOMMEND IT AS 45ACP CAN DAMAGE THE JP... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252Q14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252Q14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these AR15... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232M14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232M14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these AR15... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232Q14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232Q14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these AR15... ... more

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 7.5in Barrel Black QC-CU-PSCU-G-9-7.5 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 7.5in Barrel Black QC-CU-PSCU-G-9-7.5 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible... ... more

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 5.5in Barrel Black QC-CU-PSCU-G-9-5.5 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 5.5in Barrel Black QC-CU-PSCU-G-9-5.5 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible... ... more

Kaw Valley Precision Carbon Fiber 9mm Complete Barrel Upper Receiver 16in Barrel 18in CF Handguard XL Linear Compensator Black Medium KVP-CF9-16XLLC

Kaw Valley Precision Carbon Fiber 9mm Complete Barrel Upper Receiver 16in Barrel 18in CF Handguard XL Linear Compensator Black Medium KVP-CF9-16XLLC. After assembly each upper is test fired to prove its function before leaving our warehouse... ... more

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 5.5in Barrel .578-28 5.5in HG FH Black QC-CU-G45-5.5

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 5.5in Barrel .578-28 5.5in HG FH Black QC-CU-G45-5.5. Leader in top of the line dedicated AR15 Pistol Caliber parts. This product is not compatible with DI gas systems or rifle-caliber bolts.... ... more

Kaw Valley Precision Carbon Fiber 9mm Complete Barrel Upper Receiver 8.5in Barrel 10.25in CF Handguard XL Linear Compensator Black Medium

Kaw Valley Precision Carbon Fiber 9mm Complete Barrel Upper Receiver 8.5in Barrel 10.25in CF Handguard XL Linear Compensator Black Medium. After assembly each upper is test fired to prove its function before leaving our warehouse Specifications for Kaw... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 7.5in Barel .578-28 7.5in HG FH Black QC-CU-G45-7.5

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 7.5in Barel .578-28 7.5in HG FH Black QC-CU-G45-7.5. Leader in top of the line dedicated AR15 Pistol Caliber parts. This product is not compatible with DI gas systems or rifle-caliber bolts.... ... more

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel 3-Lug Muzzle Brake Picatinny/M-LOK 1/2x36 Black AAUT109045

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel 3-Lug Muzzle Brake Picatinny/M-LOK 1/2x36 Black AAUT109045. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... more

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 5 inch Barrel Mil-Spec Rear Charge Black MIKE45U-R54-B-MMKIT

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 5 inch Barrel Mil-Spec Rear Charge Black MIKE45U-R54-B-MMKIT. 45 ACP Complete Upper Receiver Kit was made to be the ideal item for any person looking for an outstanding choice.. Established using... ... more

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 16 inch Barrel Mil-Spec Rear Charge Black MIKE45U-R1615-4-MMKIT

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 16 inch Barrel Mil-Spec Rear Charge Black MIKE45U-R1615-4-MMKIT. 45 ACP Complete Upper Receiver Kit was made to be the ideal item for any person looking for an outstanding choice.. Established... ... more

Angstadt Arms Complete Upper Assembly AR-15 10 in Handguard 10.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009105

Angstadt Arms Complete Upper Assembly AR-15 10 in Handguard 10.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009105. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... more

Quarter Circle 10 .45 ACP Barrel 10.5in Black Nitride QC-BRL-45-10.5

Quarter Circle 10 .45 ACP Barrel 10.5in Black Nitride QC-BRL-45-10.5. 45 ACP Barrel to ensure you're shooting with maximum precision. These Rifle Barrels made by Quarter Circle 10 are designed with a QPQ nitride finish for superior strength and... ... more

Quarter Circle 10 .45 ACP Glock Style Bolt Assembly Law Tactical Modified Black QC-A-BLT-G-45-LT

Quarter Circle 10 .45 ACP Glock Style Bolt Assembly Law Tactical Modified Black QC-A-BLT-G-45-LT. 45 ACP Bolt Modified for compatibility with Law Tactical AR Folding Stock Adaptor Advanced blowback design Manufactured to function reliably with Glock... ... more

FM Products FM-45 AR Upper Receiver w/ Micro Brake .45 Caliber 10 inch 8.5in Barrel Ultralight ProfileFlash Supressor Black FM45-FS-109

FM Products FM-45 AR Upper Receiver w/ Micro Brake .45 Caliber 10 inch 8.5in Barrel Ultralight ProfileFlash Supressor Black FM45-FS-109. 45 ACP .45 Glock or another 45cal pistol magazine you can feed these FM Products FM-45 Complete Uppers designed by... ... more

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231M9

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231M9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231Q14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231Q14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these... ... more

TacFire Complete Upper Assembly 5.56 NATO 10in Type III Hard Anodized Black Large BU-556-10

TacFire Complete Upper Assembly 5.56 NATO 10in Type III Hard Anodized Black Large BU-556-10. 56 NATO barrel along with a M-LOK freefloating handguard. Mil-Spec BCG and charging handle are included in this build. Specifications for TacFire 5.56 NATO... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231M14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231M14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these... ... more

Aagil Arms Complete AR-15 .223 Wylde Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in M-Lok Anodized Black Medium AA-C16223C7K15

Aagil Arms Complete AR-15 .223 Wylde Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in M-Lok Anodized Black Medium AA-C16223C7K15. 223 WYLDE. 16" Barrel. Carbine Gas System. 15" M-Lok Handguard. Charging Handle and Canvas Gun Sleeve Included.... ... more

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EM-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211M3

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EM-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211M3. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and... ... more

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EQ-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211Q3

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EQ-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211Q3. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and... ... more

TacFire Complete Upper Assembly .45 ACP 16in Type III Hard Anodized Black Large BU-45ACP-16

TacFire Complete Upper Assembly .45 ACP 16in Type III Hard Anodized Black Large BU-45ACP-16. 45 ACP Complete Upper Assembly. Formulated by using several of the most extremely sturdy and dependable resources around these AR15 Upper Receivers from... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M25

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M25. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block... ... more

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 16 inch Barrel Front Charge Black MIKE45U-F1615-4-MMKIT

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 16 inch Barrel Front Charge Black MIKE45U-F1615-4-MMKIT. 45 ACP Complete Upper Receiver Kit was made to be the ideal item for any person looking for an outstanding choice.. Established using some... ... more

Quarter Circle 10 Complete 9mm Upper w/ PMUR 5.5in Barrel 1/2 - 28 5.5in HG FH Black QC-CU-G9-5.5

Quarter Circle 10 Complete 9mm Upper w/ PMUR 5.5in Barrel 1/2 - 28 5.5in HG FH Black QC-CU-G9-5.5. 355 Caliber Features of Quarter Circle 10 Complete 9mm Upper w/ PMUR: QC10 Billet Rear Charging Upper Receiver 9x19mm QPQ Nitride-Treated Barrel... ... more

Quarter Circle 10 Side Charging Upper Receiver Pistol Caliber AR-15 Black Anodized QC-PSCU-S

Quarter Circle 10 Side Charging Upper Receiver Pistol Caliber AR-15 Black Anodized QC-PSCU-S. Our upper receiver design is derived from the industry-first Gibbz Arms G9 receiver and with the help of Gibbz engineers and our pistol caliber expertise... ... more

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT009016

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT009016. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm... ... more