922r Compliant Parts

HK U.S. Made Cocking Handle - PTR Manufactured Compliant parts are hard to find and important for keeping your HK G3 and HK 91 build 922r compliant.  

HKP HK MP5 9mm Receiver Flat with Weldment Set New MP5 receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...

MI HK MP5K Tri-Rail Handguard   Features: Professional grade one-piece design Tri-Rail 1913 Picatinny on 3 sides for accessory attachment Simple installation, includes all tools Lightweight design Features two anti-rotation QD sling swivel...

PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH Correct HK threading 15x1 right hand with HK style retaining spring to latch on the HK splined barrel. Made in the US and counts as one US 922r compliant part. Specifications: Threaded...

HKP HK MP5, SP5 Handguard - OD Green USA MP5 O.D green handguard is also known as the tropical wide forearm. Now you can further customize your MP5/ SP5 with this new color grip and, best of all, it counts as 1 U.S complaint part for the 922r. This...

RCM MP5 9mm Trunnion US made to exact factory HK specifications and machined completely from ordnance grade steel and heat treated to factory specs.  Compatible With: MP5, 94 MP5K SP89 Clones or other custom builds

PTR Bird Cage Flash Hider - Threaded 15x1 for 5.56/.223, and 7.62x51/.308 Crafted to exact Heckler and Koch specifications. Featuring the correct 15x1 RH thread, it's a perfect match for HK barrels and qualifies as one 922r compliant part...

MP5 & MP5K 9mm Magazine Floor Plate - BLEMISHED VARYING CONDITION - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART PRICE IS PER MAGAZINE Floorplate - SOLD...

US-Made UMP .45 Compliant Magazine Kit For All UMP .45 Magazines This kit is a drop-in replacement set that will give you two US-compliant parts towards 922r compliance. Made from high-impact polymer, just like the factory HK parts. The US parts kit...

HKP HK Parts USA made Billeted Trigger for the HK MP5 and HK90 Series   HKP US 90 Series trigger made from the best quality billet steel. It will fit all 0,1, and SEF-style trigger packs. Each part counts as one US-made compliant part needed for...

HKP/H&K G3/91 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts HK G3, 91 & PTR .308 Semi Auto Trigger Pack Complete. Works with all 7.62 & .308 HK style firearms. Each trigger group incorporates the following US made compliant parts...

Magpul HK SP5 SL Grip Module HK Parts brings a solution for those that are looking to upgrade to the Magpul SL grip. Click the drop down menu to select either the clipped and pinned or push pin options. This is a perfect option for those wanting improved...