RCM

RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH   US-made HK45C & HK45C Tactical threaded barrel, compatible with a range of flash hiders and sound suppressors. Unlike the factory...

RCM HK USPC .45 ACP Barrel - Threaded 16x1 RH HK USPC .45 ACP & HK USPC Tactical .45 ACP barrel with 16x1 threaded design, compatible with various flash hiders and sound suppressors. Unlike the...

RCM HK USP .45 ACP Barrel - Threaded 16x1 LH HK USP .45 ACP & HK USP Tactical .45 ACP threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special...

RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH Made by RCM to the highest tolerances and finest material available. Perfect for that HK build or to replace that shot-out barrel. Each barrel...

Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5K 9mm style...

Complete Bolt Group - RCM - HK MP5SD 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5SD 9mm style...

RCM HK MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from Cold Hammer Forged (CHF) steel, this high-quality barrel features a durable nitride finish. Precision-milled to the latest specifications...

RCM HK MP5K/N 9mm Barrel - Threaded 1/2x28 - 3-Lug Machined from a cold hammer forged blank to the latest MP5KN PDW specifications, this barrel features factory-correct, updated 16 flutes in...

Complete Bolt Group - RCM - HK Style MP5 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. This is the finest US BCG available. Each bolt group comes complete,...

RCM HK P30SK & P2000SK 9mm Barrel - Threaded 13.5x1 LH   Each HK P2000SK & P30SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished...

RCM HK P30SK & HK P2000SK 9mm Tactical Barrel - Threaded 1/2x28 RH   Each HK P2000SK and P30SK tactical barrel is meticulously crafted from ordnance grade steel, heat treated, and finished...

RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded...