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| Best Seller  | Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 7.5in 1-7 Twist 1/2x28 Thread Black 556N75CUA Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 7.5in 1-7 Twist 1/2x28 Thread Black 556N75CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system... ... more | FREE shipping go to store |
 | Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III. 750 Micro Gas Block andPistol Gas System DSI 7.5" SOCOM 5.56 Threaded 1:7 Nitrite Barrel andDSI... ... more | FREE shipping go to store |
| Best Seller  | Faxon Firearms Ion Ultralight 5.56 Nato Complete Upper Receiver - Ion Ultralight 16" 5.56x45 Nato Co $130 off $1000+. Use code SEPT130FX5500-U features Faxon's 14.5" Pencil Barrel with Integral Slim 3-Port Muzzle Brake which meets the NFA 16" minimum barrel length requirement, 13" Streamline Carbon Fiber Handguard, and Lightweight Bolt Carrier Group. Super light, easy shooting and... ... more
Faxon Firearms Ion Ultralight 5.56 Nato Complete Upper Receiver - Ion Ultralight 16" 5.56x45 Nato Co FX5500-U features Faxon's 14.5" Pencil Barrel with Integral Slim 3-Port Muzzle Brake which meets the NFA 16" minimum barrel length requirement, 13" Streamline Carbon Fiber Handguard, and Lightweight Bolt Carrier Group. Super light, easy shooting and... | go to store |
 | Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 13in 1-7 Twist 1/2x28 Thread Black 556N13CUA Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 13in 1-7 Twist 1/2x28 Thread Black 556N13CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system that... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Complete Upper Assembly 9mm 7.5in 1-10 Twist 1/2x36 Thread Black 9MM75CUA Jacob Grey Firearms Complete Upper Assembly 9mm 7.5in 1-10 Twist 1/2x36 Thread Black 9MM75CUA. DISCLAIMER: Firearm specifications are subject to change at any time based on availability and supply chain shortage. Specifications for Jacob Grey Firearms... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Complete Upper Assembly 7.62x39 Caliber 7.5in 1-10 Twist Black 7623975CUA Jacob Grey Firearms Complete Upper Assembly 7.62x39 Caliber 7.5in 1-10 Twist Black 7623975CUA. Shooters can easily adapt to various scenarios and situations from a singular platform without the need for investing in completely new firearms. Switching... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Ultralight Complete Upper Assembly 5.56 NATO 16in Black 556N16ULCUA Jacob Grey Firearms Ultralight Complete Upper Assembly 5.56 NATO 16in Black 556N16ULCUA. This AR-15 complete upper assembly is built around the 7075-T6 billet upper receiver specifically machined and cut in areas where excess material was unnecessary... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Ultralight Complete Upper Assembly 5.56 NATO 13in Black 556N13ULCUA Jacob Grey Firearms Ultralight Complete Upper Assembly 5.56 NATO 13in Black 556N13ULCUA. This AR-15 complete upper assembly is built around the 7075-T6 billet upper receiver specifically machined and cut in areas where excess material was unnecessary... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Ultralight Complete Upper Assembly 5.56 NATO 10.5in Black 556N105ULCUA Jacob Grey Firearms Ultralight Complete Upper Assembly 5.56 NATO 10.5in Black 556N105ULCUA. This AR-15 complete upper assembly is built around the 7075-T6 billet upper receiver specifically machined and cut in areas where excess material was... ... more | FREE shipping go to store |
 | Bushmaster M4 Patrolman's Carry Handle Upper Assembly 16in 5.56 NATO/.223 Black 00-40004-BLK Bushmaster M4 Patrolman's Carry Handle Upper Assembly 16in 5.56 NATO/.223 Black 00-40004-BLK. This high-quality upper assembly is built with the same rugged durability and attention to detail as the full M4 Patrolman's rifle series ensuring you have... ... more | FREE shipping go to store |
 | Radical Firearms Complete Upper Assembly 16 inch 5.56 SOCOM mid 15 inch MHR A2 Flash Hider w/BCG and CH Black CFU16-5.56SOC-15MHR. 56mm is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Ultralight Complete Upper Assembly 7.62x39mm 7.5in Black 7623975ULCUA Jacob Grey Firearms Ultralight Complete Upper Assembly 7.62x39mm 7.5in Black 7623975ULCUA. This AR-15 complete upper assembly is built around the 7075-T6 billet upper receiver specifically machined and cut in areas where excess material was unnecessary... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 10.5in 1-7 Twist 1/2x28 Thread Black 556N105CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 16in 1-7 Twist 1/2x28 Thread Black 556N16CUA Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 16in 1-7 Twist 1/2x28 Thread Black 556N16CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system that... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 7.5in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N75B. Depending on what your intended purpose for a particular rifle will be you might want a lightweight short or... ... more | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | Jacob Grey Firearms Spiral Compensators 5.56 NATO 1/2x28 Nitride Black 556SC1228N Jacob Grey Firearms Spiral Compensators 5.56 NATO 1/2x28 Nitride Black 556SC1228N. Gas ports help reduce muzzle rise and noise to a greater degree than a straight comp. However a straight comp with no gas ports also leads to an increase in the... ... more | FREE shipping go to store |
 | Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-12RPR. 5.56 SOCOM Upper Assembly. These AR15 Upper Receivers crafted by Radical Firearms are incredibly easy to install since they come... ... more | FREE shipping go to store |
 | TacFire Complete Upper Assembly 5.56 NATO 5in Type III Hard Anodized Black Large BU-556-5 TacFire Complete Upper Assembly 5.56 NATO 5in Type III Hard Anodized Black Large BU-556-5. 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 | FREE shipping go to store |
 | Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-15RPR. 5.56 SOCOM Upper Assembly. These AR15 Upper Receivers crafted by Radical Firearms are incredibly easy to install since they come... ... more | FREE shipping go to store |
 | Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in MHR M-LOK A2 Flash Hider Black CFU16-5.56SOC-12MHR. 5.56 SOCOM Upper Assembly. These AR15 Upper Receivers crafted by Radical Firearms are incredibly easy to install since they come... ... more | FREE shipping go to store |
 | TacFire Complete Upper Assembly 5.56 NATO 7in Type III Hard Anodized Black Large BU-556-7 TacFire Complete Upper Assembly 5.56 NATO 7in Type III Hard Anodized Black Large BU-556-7. 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 | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish. 5in 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These... ... more | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Silver XTS-CU-7SL. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Blue XTS-CU-7BL. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish OD Green. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These... ... more | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Red XTS-CU-7RD. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Purple XTS-CU-7PP. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 10.5in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N105B. Depending on what your intended purpose for a particular rifle will be you might want a lightweight short... ... more | FREE shipping go to store |
 | Wilson Combat Upper Complete Forged 5.56 NATO Protector Mid-Length 16in Round Q-Comp 1-8 Twist Black Black TR-UF556LEM16RQ8B. Complete High Performance AR Upper Receiver Units use the same top tier components skilled gunsmith assembly and final... ... more | FREE shipping go to store |
 | Wilson Combat Upper Complete Forged 5.56 NATO Recon Mid Length 16in Round Q-Comp 1-8 Twist Black Black TR-UF556RCM16RQ8B. Complete High Performance AR Upper Receiver Units use the same top tier components skilled gunsmith assembly and final finishing... ... more | FREE shipping go to store |
 | Wilson Combat Upper Complete Forged 5.56 NATO Ranger Mid Length 16in Round Q-Comp 1-8 Twist Black Black TR-UF556RAM16RQ8B. Complete High Performance AR Upper Receiver Units use the same top tier components skilled gunsmith assembly and final finishing... ... more | FREE shipping go to store |
 | Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK Zero Impulse Black CFU16-5.56SOC-15RPR-ZS. 56SOC-15RPR-ZS Specifications for Radical Firearms 16 in. 5.56 SOCOM Upper Assembly w/ Zero Impulse Brake: Manufacturer:... ... more | FREE shipping go to store |
 | Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK Zero Impulse Black CFU16-5.56SOC-12RPR-ZS. 56SOC-15RPR-ZS Specifications for Radical Firearms 16 in. 5.56 SOCOM Upper Assembly w/ Zero Impulse Brake: Manufacturer:... ... more | FREE shipping go to store |
 | TacFire Complete Upper Assembly 5.56 NATO 16in Type III Hard Anodized Black Large BU-556-16 TacFire Complete Upper Assembly 5.56 NATO 16in Type III Hard Anodized Black Large BU-556-16. 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 | FREE shipping go to store |
 | XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish XTS-CU-7BK. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These... ... more | FREE shipping go to store |
 | Stag Arms Stag 15L Tactical Pistol 7.5in Nitride Complete Upper Receiver - Flash Hider 5.56 NATO Pistol-Length 7in M-LOK 1-7 Rifled Left Black. 5in uppers are chambered in 5.56 NATO and built around a 7.5in 1/7 twist barrel Stag 7in M-LOK SL Handguard... ... more | FREE shipping go to store |
 | Jacob Grey Firearms Complete Upper Assembly 9mm 10in 1-10 Twist 1/2x36 Thread Black 9MM10CUA Jacob Grey Firearms Complete Upper Assembly 9mm 10in 1-10 Twist 1/2x36 Thread Black 9MM10CUA. DISCLAIMER: Firearm specifications are subject to change at any time based on availability and supply chain shortage. Specifications for Jacob Grey Firearms... ... more | FREE shipping go to store |
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