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Best Seller | Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 12.5 in RA-MK1-12.5-PU-BLK Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 12.5 in RA-MK1-12.5-PU-BLK. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable gas... ... more | FREE shipping go to store |
Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 10.5 in RA-RUC-PRO-MK2-105-PU Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 10.5 in RA-RUC-PRO-MK2-105-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable gas... ... more | FREE shipping go to store |
Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver Black 14.5 in RA-RUC-DI-14M-PU Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver Black 14.5 in RA-RUC-DI-14M-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a direct impingement operating system on their new... ... more | FREE shipping go to store |
Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 16 in RA-MK1-16-PU-BLK Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 16 in RA-MK1-16-PU-BLK. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable gas block... ... more | FREE shipping go to store |
Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 11.5 in RA-RUC-PRO-MK1-RS-115-PU Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 11.5 in RA-RUC-PRO-MK1-RS-115-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable... ... more | FREE shipping go to store |
Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101113. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more | FREE shipping go to store |
Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 10.5 in RA-MK1-10.5-PU-BLK Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 10.5 in RA-MK1-10.5-PU-BLK. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable gas... ... more | FREE shipping go to store |
Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 11.5 in RA-MK1-11.5-PU-BLK Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 11.5 in RA-MK1-11.5-PU-BLK. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable gas... ... 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 Without Forward Assist Black TR-UFW556LEM16RQ8B. Complete High Performance AR Upper Receiver Units use the same top tier components skilled gunsmith... ... more | FREE shipping go to store |
Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver Black 10.5 in RA-RUC-DI-10C-PU Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver Black 10.5 in RA-RUC-DI-10C-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a direct impingement operating system on their new... ... 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 |
Rainier Arms Select 5.56 NATO Barrel 16in 1-7 Twist 1/2x28 Black Medium RAB-SEL-556-16-M-NF-BLK Rainier Arms Select 5.56 NATO Barrel 16in 1-7 Twist 1/2x28 Black Medium RAB-SEL-556-16-M-NF-BLK. They are able to reach our goal by sourcing a very high end barrel blank at an affordable price. They start off using a high precision match blank in 1:7... ... 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 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 |
Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 12 in RA-RUC-PRO-MK1-RS-12-PU Rainier Arms Ruc Pro Mk2 5.56 Nato Partial Upper Receiver Black 12 in RA-RUC-PRO-MK1-RS-12-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a Rainier Arms Low Pro nonadjustable gas... ... more | FREE shipping go to store |
Rainier Arms Rellim Arms AR-15 5.56 Nato Take Down Upper Receiver Assembly Black 16 in RA-TDURA-556-16. Utilizing Rellims patented quick detach upper receiver and barrel nut system and Rainiers quality parts its a match made in heaven. Whether you want... ... more | FREE shipping go to store |
Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Gamma Black STAG15100144. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more | FREE shipping go to store |
Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel M4 Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101111. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more | FREE shipping go to store |
Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a... ... more | FREE shipping go to store |
Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float Keymod... ... more | FREE shipping go to store |
Rainier Arms Ruc Di 300BLK Partial Upper Receiver Black 10.7 in RA-RUC-DI-300BLK-10-7-PU Rainier Arms Ruc Di 300BLK Partial Upper Receiver Black 10.7 in RA-RUC-DI-300BLK-10-7-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a direct impingement operating system on our... ... more | FREE shipping go to store |
Franklin Armory OPS-16 5.56 NATO 16in Piston Complete Upper Reciever Black 00-40078-BLK Franklin Armory OPS-16 5.56 NATO 16in Piston Complete Upper Reciever Black 00-40078-BLK. 56 NATO 16in Piston Complete Upper Reciever was created to function as the ideal product for anyone looking for an exceptional selection.. Developed working with... ... more | FREE shipping go to store |
Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505731. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150... ... 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 |
Rainier Arms Mountain MOD2 5.56 NATO Barrel 16in 1/2x28 Mid Len Black Medium RAB-CMV-556-16-M-HF-BLK Rainier Arms Mountain MOD2 5.56 NATO Barrel 16in 1/2x28 Mid Len Black Medium RAB-CMV-556-16-M-HF-BLK. We have brought back our Mountain Series of barrels for those of you who want the accuracy you expect from Rainier Arms in a nearly indestructible... ... more | FREE shipping go to store |
Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome... ... more | FREE shipping go to store |
Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Carbine Length 1-8 Twist w/10in M-LOK Handguard Black Large UB15-10ML. 56 NATO 16in Carbine Length Complete Upper Receiver was made in order to be the ideal item for anyone needing a high quality... ... more | FREE shipping go to store |
Stag Arms AR-15 Tactical Left Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride Black STAG15110142. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more | FREE shipping go to store |
Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111113. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more | FREE shipping go to store |
Aero Precision AR15 Complete Upper Receiver 16in 5.56 Carbine Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505621. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome... ... more | FREE shipping go to store |
Rainier Arms Select 5.56 NATO M16A1 Barrel 20in 1-7 Twist 1/2x28 Black Medium RAB-SEL-556-20-R-M16A1-NF-BLK. They are able to reach our goal by sourcing a very high end barrel blank at an affordable price. They start off using a high precision match... ... more | FREE shipping go to store |
Aero Precision AR15 Complete Upper 16in 5.56 M4 Carbine Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505721. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150... ... 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 |
Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-8 Twist w/ 15in Key Mod Anodized Black Medium AA-C16556C7D15. Built upon the classic AR-15 platform these complete upper assemblies are machined to precision and include... ... more | FREE shipping go to store |
Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in M-Lok Anodized Black Medium AA-C16556C7K15. 5.56 NATO. 16" Barrel. Carbine Gas System. 15" M-Lok Handguard. Charging Handle and Canvas Gun Sleeve Included.... ... more | FREE shipping go to store |
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