922r Compliant Parts

HK MP5K Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will vary from part-to-part vs. the pictured unit. Compatible...

HK53 Cocking Tube Style US made cocking tube perfect for an HK53-style build or for use on a custom build Compatible With: HK53 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.

HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...

US Michaels Machines Clubfoot Stock for HK G3, HK91, PTR-91 and Clones HK clubfoot stock comes fully assembled with both US and German HK parts. Includes: HK21E Clubfoot central stock section (counts as one US compliant part) HK heavy rubber buttpad US...

US-Made F/A G3, 91, and PTR-91 Bolt Carrier - Full Auto Carrier - Tungsten Filled PTR uses the exact Heckler & Koch specs and the same steel to manufacture their carriers. PTR uses HK factory blueprints for manufacturing & quality control. This...

Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...

HK MP5K, SP89 Low Profile Forearm KEYMOD The Key MOD tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting needs...

HK MP5 Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will vary from part-to-part vs. the pictured unit. Compatible...

MP5K-40, MP5K-10 Receiver Flat - USA Receiver Flat for use with a MP5K-40 or MP5K-10mm build. Please note: This is for the flat as picture no weldments are included. ***This US made receiver flat counts as one required 922r compliant part***

RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...

HK 93,33,53 5.56/.223 Semi Auto Trigger Group Complete The components that count towards 5 of the 922r compliant parts include the lower housing, trigger pack box, trigger, hammer, and sear. Includes: US Made Sear US Made Hammer US Made Trigger US Made...

HK MP5 8" Cocking Tube Extrusion - Gunsmith Special  This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...