Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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HK MP5F Receiver Flat - Alternate Holes
HKP HK Parts
$125.95HKP HK MP5F 9mm Flat - Alternate Holes MP5 receiver flat crafted by the original German tool and die maker of the LSC receiver flat using factory original German prints and specifications. This...HKP-21551$125.95 -
HK416 Reaction Rod
Nefarious Arms
$124.95Nefarious Arms - Reaction Rod - HK416 The Nefarious Arms HK416 Reaction Rod is used to securely hold the upper receiver in a bench vise so that work may be performed on the muzzle device. It is...HKP-21272$124.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Magazine Catch Spring
H&K Heckler & Koch
$9.95Heckler and Koch Magazine Catch Spring for HK 416, HK MR556 and HK417, MR762 HK German manufacture. Compatible With: HK416, MR556 M27HKP-02620$9.95 -
HK91, G3, PTR Grip Frame SEF- Metal HK German
$189.95HK91, G3, PTR-91 Style Metal Grip Frame SEMI Each German HK housing started out as a factory HK German select fire metal housing. Each housing then had the housing professionally modified by welding...HKP-17637$189.95 -
HK91, G3 Stock - MOE PR
Magpul
$199.95Magpul HK91, G3 MOE PR Stock The MOE PR is a full-size carbine stock that blends the simplicity of the legacy MOE carbine stock with design lines reminiscent of the PRS Lite. Features:HKP-21198$199.95 -
HK UMP, G36 Selector Lever
HKP HK Parts
$8.95HK UMP & G36 Left Side Safety Selector Lever With Axle - Replacement selector for HK PARTS TRIGGER GROUP HK Parts selector lever for the left side of our own 2 position FBI U.S housing for the UMP...HKP-20180$8.95 -
Out Of Stock
HK G36C Quad Rail Handguard
B&T Brugger & Thomet
$269.95B&T handguard Quad Rail for HK G36C Swiss made B&T quad-rail (4 picatinny rails one for each side) handguard for HK G36C. Aluminum version with rail cover and sling swivel. This is the absolute best...HKP-16896$269.95 -
Out Of Stock
HK USP Tactical Barrel - 9mm - 4.86" - Threaded 1/2x28
RCM
$225.00RCM HK USP 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish...HKP-16705$225.00 -
HK45, P30, P2000, USP Stop Disc - Recoil Spring
H&K Heckler & Koch
$12.95Heckler and Koch HK 45, P30, P2000, & USPC Recoil Spring Washer Retainer This disk supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With:HKP-02428$12.95 -
HK VP9A1 F Compensator - MOD 1
HKP HK Parts
$179.95HKP HK VP9A1 F MOD 1 Compensator The HKP MOD 1 compensator is designed to reduce muzzle rise and improve shot-to-shot recovery while maintaining a clean, integrated look. Each unit includes both the...HKP-22077$179.95 -
Binary Safety Selector Set - Ambidextrous - Extended
HKP HK Parts
$89.95HKP Ambi ESSL Housing Franklin Armory Binary Selector Set - Levers Only HK Parts extended safety selector Selector Lever Set, expertly modeled after the HK Ambi Style Selector Lever. This premium...HKP-21616-M$89.95 -
HK P30L Holster - Lightcomp™
Comp-Tac
$79.95Comp-Tac HK P30L Lightcomp™ Holster Custom Comp-Tac OWB holster designed exclusively for your Lightcomp™ equipped P30L. Features: Made specifically for use withHKP-21498-M$79.95