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 Hoodie - Black
HKP HK Parts
$39.95HKP Hoodie - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this hoodie is certain to catch an eye at the range! Cotton High fidelity DTG printing Official HKP merchandise Note: These...HKP-21035-M$39.95 -
HK USP Full Size Optic Plate - DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Sight
Evolution Gun Works
$49.95DELTAPOINT PRO SIGHT MOUNT FOR HK USP (FITS SHIELD RMS / RMSC / SMS | JPOINT | REDFIELD ACCELERATOR | AND OPTIMA) Included: Mounting hardware Compatible With: HK USP Tactical 9mm HK USP Tactical .45 ACP HK USP 9mm HK USP 40 S&W HK...HKP-20046$49.95 -
HK33, HK91, G3 Triple Frame Front Sight Tower
H&K Heckler & Koch
$19.95Front Sight Tower Triple Frame G3/33 - German G3 triple frame all steel factory German front sight tower. Perfect for HK builds as well as HK-AK style sight conversions and builds. Compatible With: HK G3 HK G3K HK 93 HK 33HKP-18778$19.95 -
Out Of Stock
HK MP5 Surefire Lighted Handguard - 328LMF
Surefire
$649.95Surefire - 328LMF - Lighted Handguard The SureFire 328LMF-B replaces the original handguard of your HK MP5, HK53, or HK94. Compact 3-volt (1-battery) system features a virtually indestructible LED emitter focused by a TIR lens, which produces a brilliant...HKP-17632$649.95 -
HK MP5, MP5K HK93, HK91, G3 Claw Mount with STANAG Adapter for Scope
H&K Heckler & Koch
$399.95HK Claw Mount With Stanag Adapter For Scope - Used (Good Condition) These parts just came in and were pulled from factory German Demilled HK G3s used in good shape. This product is no longer made or available as these are out of production, and...HKP-02387$399.95 -
HK CC9 MOD 1 Compensator
HKP HK Parts
$169.95HK Parts MOD 1 Compensator: H&K CC9 The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil, allowing you to get back on target faster...HKP-21831-M$169.95 -
On Sale
Sig Sauer P320 Nitron Compensator - 9mm
HKP HK Parts
Now: $99.95Was: $189.95HKP SIG P320 Compensator - Nitron 9mm Our P320 Nitron compensator reduces recoil and muzzle flip. Each unit is 100% US made and finished in durable black cerakote. Our Nitron compensator features a picatinny rail to mount lights/lasers...HKP-21300Now: $99.95Was: $189.95 -
HK P7 Series Detent Spring - Piston Plunger
H&K Heckler & Koch
$7.95HK P7 Series Piston Plunger, Detent Spring Compatible With: PSP P7M8 P7M10 P7M13HKP-01327$7.95 -
HK91, G3 Complete Tactical Folding Stock
Choate
$179.95HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to drop on your favorite HK. The adjustable length system...HKP-01951$179.95 -
HK90 Series Compression Spring for Shifter Rod on Burst Trigger Packs
H&K Heckler & Koch
$10.95H&K Burst Trigger Pack Compression Rod Spring Burst pack compression spring for compression rod found in all HK Burst Trigger Packs. This part, along with the compression rod, is the number one most common wear or breakage parts in HK Burst Packs...HKP-16199$10.95 -
HK MP5, MP5K Optic Mount - Raised - Picatinny
HKP HK Parts
$164.95HKP HK MP5/MP5K Raised Universal Optic Mount The HKP Raised Picatinny Optic Mount is designed for maximum versatility, providing a true universal mounting solution for red dot optics. Our optic mount utilizes the same footprint as the VP9 Optic...HKP-22219-M$164.95 -
HK German Leather Sling - Used-Very Good
H&K Heckler & Koch
$59.95Original Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and steel hardware and HK sling hook. Last of the...HKP-20345$59.95