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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On Sale
HK VP9, VP9SK, VP40 Windowed Slide Plate
HKP HK Parts
$19.09 - $29.95HKP HK VP9/VP9SK, HK VP40 Windowed Slide Plate A direct replacement for the cheap plastic slide plate that comes stock with your HK VP9, VP40. A great way to dress up and enhance your HK VP9, VP40...HKP-17676-M$19.09 - $29.95 -
HK Single Point Sling - OD Green
HKP HK Parts
$29.95HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features:HKP-09057$29.95 -
On Sale
HK P30 Railok™ Compensator
HKP HK Parts
Now: $97.46Was: $189.95HK Parts Railok™ Compensator: H&K P30 The HK Parts Railok™ compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting...HKP-21110Now: $97.46Was: $189.95 -
Out Of Stock
HK MP5 Chevron Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
$56.99Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced...HKP-20452$56.99 -
Out Of Stock
HK VP9, P Series Extractor
H&K Heckler & Koch
$54.95HK VP9/P Series Extractor Brand new factory HK German with red loaded chamber indicator present. Compatible With: HK VP9, VP9 Tactical, VP9SK HK VP9A1 F, VP9A1 K HK P30, P30L, P30S & P30SK HK...HKP-01615$54.95 -
HK SL8, G36 Magazine Release - Extended
H&K Heckler & Koch
$19.95Heckler and Koch Oversized Extended Magazine Release for HK SL8 and HK G36 New HK German HK SL8, HK G36, HK243 extended mag release. A must have upgrade for yHKP-17720$19.95 -
HK91, G3 Parts Kit - Hand Picked - PTR Barrel and Receiver Flat
H&K Heckler & Koch
$879.95Heckler and Koch Hand Picked Parts Kit for HK91 and HK G3 - PTR Barrel and Receiver Flat Features: Handpicked stock set HandpickHKP-20071$879.95 -
HK Mark 23, SOCOM Magazine - 10 Round - .45 ACP
H&K Heckler & Koch
$59.00 - $69.95HK Mark23 SOCOM 10 Round Magazine Fits all HK Mark 23 and or Socom pistols.HKP-01226-M$59.00 - $69.95 -
On Sale
HK91, G3 US Made Trigger Pack - Semi-Auto - 4 U.S. 922 Parts
HKP HK Parts
Now: $199.96Was: $249.95HKP/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...HKP-17949Now: $199.96Was: $249.95 -
On Sale
HK VP9L MOD 1 Compensator
HKP HK Parts
Now: $151.96Was: $189.95HK Parts MOD 1 Compensator: H&K VP9L 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...HKP-21434Now: $151.96Was: $189.95 -
HK SP5 and SP5K Spec. Clipping and Pinning Service for Polymer Lower Housings
HKP HK Parts
$99.95HK Clipped and Pinned Service - For Polymer Grip Frames to SP5 SPEC At HK Parts we offer our own HK trigger housing clip and pin services. No one does a better job with quicker turn around then we do...HKP-19989$99.95 -
Out Of Stock
HK USP Tactical Barrel - .45 ACP - 5.09" - Threaded .578x28 RH
RCM
$250.00RCM HK USP .45 ACP Tactical Barrel - Threaded .578x28 RH HK USP .45 & USP .45 Tactical threaded barrel compatible with various flash hiders and sound suppressors. Unlike the factory USP .45 Tactical...HKP-17447$250.00