922r Compliant Parts

HKP HK MP5 Receiver Flat - Smooth Top The MP5 receiver flat has been meticulously crafted by the original German tool and die maker of the LSC receiver flat, utilizing factory original German prints...

Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible...

RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this...

HKP HK MP5, MP5K Extended Cocking Handle - Enhanced HKP extended and enhanced cocking handle for HK MP5 and MP5K pattern firearms. Machined from a solid steel billet and salt-bath nitride finished,...

Choate MP5 & HK94 Tactical Folding Stock Each stock is adjustable from 10" to 12" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or...

F5 MFG Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most...

RCM HK G3/91 Threaded Barrel - 5/8x24-CHE Machined by RCM from a Mil-Spec 41V50 Hammer Forged Blank. These blanks are considered to be one of the finest made. 1:10 twist, Nitride finish. Perfect for...

RCM HK93 Trunnion Made to exact factory HK specifications for the HK93, HK33  type builds. These are the best trunnions of their kind on the market. Machined to HK spec making the install painless...

G36 & HK UMP Hammer For Lower Or Trigger Group- US Made These hammers are a direct fit on the USC and SL8 platform.

PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 This new PTR-91 US-manufactured 18" heavy profile match grade barrel is perfect for new builds and counts as one US-made compliant part. It...

HKP HK Parts HK UMP and USC - Curved Trigger With our new curved trigger, you will improve the aesthetics of your firearm. Our curved trigger has spaced-out serrations at the face of the trigger for...

Ambidextrius Trigger Pack with Flat Trigger For MP5, HK94 - 4 US 922R Compliant Parts HK MP5/94 9mm Semi Auto Trigger Pack complete with Flat Trigger installed. Assembled and ready install on your...