RCM

RCM HK21 Trunnion When RCM set out to make a replacement trunnion for the venerable HK21, they started the process by putting a factory unit through rigorous destructive metal testing.  The...

RCM HK MP5K .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5K .40 cal. Crafted from top-grade CHF 41v40 material,...

RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5 .40 cal. Crafted from top-grade CHF 41v40 material, it’s...

RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece Compatible With:  MP5/K 10  MP5/K 40 

RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With:  MP5/K 10  MP5/K 40 

RCM HK21 Barrel RCM HK21 are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance and aesthetic appeal. These barrels are the most cost-effective option to finish your...

RCM HK MP5 / 416 .22LR Rifle Barrel This is the first and only offering of a replacement barrel for the HK .22LR platforms.  Replacing the barrel previously required sending the receiver to...

RCM HK MP5 / 416 .22LR Pistol Barrel This is the first and only offering of a replacement barrel for the HK .22LR platforms.  Replacing the barrel previously required sending the receiver to...

RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH Brand New Barrel for the Pre-G3 HK M61. The M61 was produced by H&K in Germany and has some aesthetic features that the final G3...

RCM HK MP5-E Full Auto Bolt Group Each bolt group incorporates RCM’s F style carrier, MP5-E bolt head, extractor and 100 degree locking piece. This group is 100% US made and the finest out...

RCM HK MP5/SP5 #27/90 Degree Locking Plate Machined and properly heat treated from ordnance grade steel.  A must have component for users running a suppressed set up or cycling a variety of...

RCM Schneider PSG-1 Barrel Only the finest blanks in the industry can produce the best results on the range. Schneider Barrel Company makes that blank. This barrel will work perfectly with...