RCM
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RCM HK21 & HK11 Barrel - 14.5"
RCM
$674.95RCM HK21 & HK11 Barrel - 14.5" RCM HK11 barrels are expertly crafted from mil-spec 41V50 CHF blanks and are fully salt bath nitrided, delivering exceptional wear and corrosion resistance. These...HKP-21631$674.95 -
RCM HK21 & HK11 Trunnion
RCM
$274.95RCM 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...HKP-21609$274.95 -
RCM HK MP5K .40 S&W Barrel - Threaded 14x.75 - 3-Lug
RCM
$279.95RCM 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,...HKP-21585$279.95 -
RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug
RCM
$279.95RCM 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...HKP-21582$279.95 -
RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece
RCM
$44.95RCM HK MP5 & MP5K 40/10 SD 115 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40HKP-21525$44.95 -
RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece
RCM
$44.95RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With: MP5/K 10 MP5/K 40HKP-21524$44.95 -
RCM HK21 Barrel
RCM
$0.00RCM 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...HKP-21521$0.00 -
RCM HK MP5 / 416 .22LR Rifle Barrel
RCM
$189.95RCM 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...HKP-21407$189.95 -
RCM HK MP5 / 416 .22LR Pistol Barrel
RCM
$229.95RCM 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...HKP-21403$229.95 -
RCM HK G3 & M61 (7.62x51/.308) Barrel - Threaded 15x1 RH
RCM
$274.95RCM 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...HKP-21353$274.95 -
RCM HK MP5-E Full Auto Bolt Group
RCM
$459.95RCM 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...HKP-21351$459.95 -
RCM HK MP5/SP5 #27/90 Degree Locking Plate
RCM
$34.95RCM 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...HKP-21334$34.95