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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HK91, G3, HK33, HK93 Bipod Replacement Feet Set
HKP HK Parts
$18.95HKP G3/33/91/93 Bipod Replacement Feet - Set of Two (2) Replacement feet set for original H&K bipods. Our replacement feet are suitable to replace both steel and plastic feet in factory HK bipods...HKP-21310$18.95 -
HK USP Tactical Rail Mount Compensator, Threaded Barrel - .45 ACP
HKP HK Parts
$179.95HKP HK USP/Tactical .45 ACP Rail Mount Compensator with Threaded Barrel Crafted from aircraft-grade billet aluminum and finished in durable cerakote. Features multiple muzzle ports and the additional...HKP-21343$179.95 -
On Sale
HK VP9 MOD 1 Compensator
HKP HK Parts
Now: $143.96Was: $179.95HK Parts MOD 1 Compensator: HK VP9 The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you...HKP-21223Now: $143.96Was: $179.95 -
HK MP5K, SP89 Receiver Flat with Weldment Set
HKP HK Parts
$239.95HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K 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...HKP-20882$239.95 -
On Sale
HK P30L Compensator - Quick Detach - V1
HKP HK Parts
Now: $74.21Was: $199.95HKP HK P30L Quick Detach Comp Weight™ Compensator Easy on, easy off - Quick Detach technology. The HK Parts P30L Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides...HKP-18153Now: $74.21Was: $199.95 -
Out Of Stock
HK416 Full Auto Ambi Selector Lever Kit - 3 Position Polymer Selectors
H&K Heckler & Koch
$159.95HK416 Full Auto Ambi Selectors Kit - German HK - 3 Position Each set comes complete with everything you will need to upgrade your HK 416 to an ambi selector lever set up. The HK 416A5 polymer...HKP-20398$159.95 -
On Sale
HK MP7 Poster
H&K Heckler & Koch
Now: $3.71Was: $14.95MP7 Factory German Poster Limited edition HK German post of the iconic MP7. Limited supply! Specifications: Height - 24" Width - 18"HKP-16689Now: $3.71Was: $14.95 -
Out Of Stock
HK USP 9mm, .40 S&W Recoil Rod Assembly
H&K Heckler & Koch
$64.95Heckler and Koch HK USP 9mm and .40 S&W Recoil Rod Assembly New HK German USP full size USP 9/40 recoil assembly complete. A great spare part to have on hand as the recoil spring is a high-wear item.HKP-01458$64.95 -
Out Of Stock
HK416, MR556, HK417, MR762, AR-15 Selector Detent Spring
H&K Heckler & Koch
$9.99Heckler and Koch HK MR556/MR762/416/417/AR15 Selector Detent Spring HK German manufacture. Compatible With: HK MR556 HK 416HKP-02657$9.99 -
HK UMP, USC Cocking Handle Pin
H&K Heckler & Koch
$7.95HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USCHKP-01885$7.95 -
Out Of Stock
HK USP Hybrid Trigger - Volker Precision
Volker Precision
$97.95HK USP Hybrid Trigger Volker Precision hybrid trigger for full size USP models in all calibers. Available exclusively at HK Parts Compatible With:HKP-22442$97.95 -
On Sale
HK416, MR556 Dual Magazine Clamp
HKP HK Parts
$31.84 - $49.95HKP HK MR556/416 Dual Magazine Clamp Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic...HKP-21553-M$31.84 - $49.95