Rainier Arms Mountain MOD2 5.56 NATO Barrel 16in 1/2x28 Mid Len Black Medium RAB-CMV-556-16-M-HF-BLK

Rosco Manufacturing Bloodline 5.56 NATO Barrel M4 16in Mid Length 1-7 Twist 1/2x28 Thread Nitride Black BL-16-GVT-556-7-M

Rosco Manufacturing Bloodline 5.56 NATO Barrel M4 16in Mid Length 1-7 Twist 1/2x28 Thread Nitride Black BL-16-GVT-556-7-M. The longer gas system allows for a smoother gas curve which leads to managed dwell times. This combo creates a great balance of... ... more

Rainier Arms Mountain MOD2 5.56 NATO Barrel 14.5in 1/2x28 Mid Len Black Small RAB-CMV-556-145-M-HF-BLK

Rainier Arms Mountain MOD2 5.56 NATO Barrel 14.5in 1/2x28 Mid Len Black Small RAB-CMV-556-145-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

Rainier Arms Mountain MOD2 5.56 NATO Barrel 10.5in 1/2x28 Carbine Len Black Small RAB-CMV-556-105-C-HF-BLK

Rainier Arms Mountain MOD2 5.56 NATO Barrel 10.5in 1/2x28 Carbine Len Black Small RAB-CMV-556-105-C-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... ... more

NEMO Arms NATO Barrel 5.56 NATO 16in Mid Length 1-8 Twist 1/2x28 Thread 556-16-B

NEMO Arms NATO Barrel 5.56 NATO 16in Mid Length 1-8 Twist 1/2x28 Thread 556-16-B. Starting with premium blanks NEMO has defined accuracy through precision machining that is done right in shop. Specifications for NEMO Arms NATO Barrel: Manufacturer:... ... more

Rainier Arms Ultramatch MOD2 .223 Wylde Barrel 20in Nitride 1-7.5 Twist 1/2x28 Black Medium RAB-UM2-223-20-R-FF-BLK

Rainier Arms Ultramatch MOD2 .223 Wylde Barrel 20in Nitride 1-7.5 Twist 1/2x28 Black Medium RAB-UM2-223-20-R-FF-BLK. Their goal is to mass produce them to bring them to market at the most competitive prices. They wanted the best balance between... ... more

Rainier Arms UltraMatch MOD2 9mm Barrel 16in Satin 1-10 Twist 1/2x28 Silver Medium RAB-UM2-9MM-16-FF-SAT

Rainier Arms UltraMatch MOD2 9mm Barrel 16in Satin 1-10 Twist 1/2x28 Silver Medium RAB-UM2-9MM-16-FF-SAT. Their goal is to mass produce them to bring them to market at the most competitive prices. Their UltraMatch Barrels are contoured to their... ... more

Rainier Arms Select 5.56 NATO M16A1 Barrel 20in 1-7 Twist 1/2x28 Black Medium RAB-SEL-556-20-R-M16A1-NF-BLK

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

Rainier Arms RUC DI 5.56 NATO Complete Upper 16in Black Medium RA-RUC-DI-16M-CU

Rainier Arms RUC DI 5.56 NATO Complete Upper 16in Black Medium RA-RUC-DI-16M-CU. Bringing the highest quality parts to the market while offering the best value as well. This complete upper utilizes a direct impingement operating system on their new and... ... 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

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver 16in Black Medium RA-RUC-DI-16M-PU

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver 16in Black Medium RA-RUC-DI-16M-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... ... more

Rainier Arms UltraMatch MOD2 9mm Barrel 16in Polished 1-10 Twist 1/2x28 Silver Medium RAB-UM2-9MM-16-FF-POL

Rainier Arms UltraMatch MOD2 9mm Barrel 16in Polished 1-10 Twist 1/2x28 Silver Medium RAB-UM2-9MM-16-FF-POL. Their goal is to mass produce them to bring them to market at the most competitive prices. Their UltraMatch Barrels are contoured to their... ... more

Rainier Arms Select 7.62x51 NATO Barrel 16in 1-8 Twist 5/8x24 Black Medium RAB-SEL-762-16-R-NF-BLK

Rainier Arms Select 7.62x51 NATO Barrel 16in 1-8 Twist 5/8x24 Black Medium RAB-SEL-762-16-R-NF-BLK. 62x51/.308 barrel with the same workmanship as their Match barrels but making it more rugged. Now introducing their first entry of our 7.62x51 (.308... ... more