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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HK33 Wide Handguard Black - Surplus
H&K Heckler & Koch
$99.95HK 33 Wide Handguard Black - Surplus Surplus condition, with minor scratches and wear on the polymer exterior in very good shape overall. 11.5 inches long. The aluminum heat shielding is still intact, riveted to the inside of the handguard. Compatible...HKP-20132$99.95 -
On Sale
HK VP9 Gen1 V1 Rail Mount Compensator
HKP HK Parts
Now: $134.95Was: $189.95HKP HK VP9 Gen1 V1 Rail Mount Compensator *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.* Specifications: Length - 4 1/4 inches Height - 2 1/2 inches Weight...HKP-19566Now: $134.95Was: $189.95 -
HK VP9, P30 Magazine Spring - 17 Round
HKP HK Parts
$8.95Extended Magazine Spring - HK 17 Round Magazine For Use With The +4 or+5 Extension - HK VP9, HK P30 This Extended Magazine spring fits VP9 and P30 9mm 17 round magazines with the HK Parts +4 and +5 Extension Base Plates. A must-have item when using...HKP-19297$8.95 -
HK P30SK Slim Short Slide Release Lever Set
H&K Heckler & Koch
$89.95HK P30SK Slim/Short Slide Release Lever - German HK HK manufactured P30SK slimline style slide release set. This set replaces the factory P30SK stock slide release set that comes from the factory. The slim style set is shorter and thinner in design for...HKP-18028$89.95 -
HK P30, P30L, P30S, USP Compact, P2000 - 9mm Recoil Spring
H&K Heckler & Koch
$34.95Recoil Spring New HK German manufacture recoil spring for guide rod. A must-have spare part and a common consumable item. Compatible With: USP Compact 9mm P2000 9mm P30, P30L & P30S 9mm modelsHKP-01560$34.95 -
HK 90 Series to AR Stock or Brace Adapter
HKP HK Parts
$99.95HKP AR Brace/Stock Adapter To HK 90 Series Firearms For use on any commercial, mil-spec, or pistol AR15/M16/M4 stock, brace, & buffer tube of your choice. Perfect for your HK rifle, pistol, or SBR build. With our M4 adapter, you can use your existing...HKP-16550$99.95 -
HK Full Auto Paddle Magazine Release Bushing HK German - Used
H&K Heckler & Koch
$4.95H&K Full Auto Paddle Magazine Release Bushing HK German - Used This part is for use in all 90-series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is not for use on semi-auto HK builds. This part is used for...HKP-02303$4.95 -
HK VP9 Match OR Slide Conversion
H&K Heckler & Koch
$549.00Slide Conversion VP9 Match OR - Complete Elevated Sights The VP9 match optics-ready kit quickly and easily converts a standard VP9 or VP9-B to a competition-ready match optics-ready model. No additional parts or tools are needed for assembly. Just swap...HKP-21096$549.00 -
HK MP5KSD, SP89 Barrel Shroud - Enhanced
HKP HK Parts
$119.95HK Parts MP5K SD Barrel Shroud For SP89 and MP5K Conversion Our MP5K SD shroud is a the best option for those who want to build a custom MP5K SD model. Made in the USA.HKP-00849$119.95 -
HK90 Series Cocking Tube End Cap
H&K Heckler & Koch
$39.95H&K Cocking Tube End Cap/Dust Cap This part is Factory HK, painted black and not surplus or old stock. Each is factory-fresh and manufactured in steel. Compatible With: Compatible with all 90 series HK firearms and clones that use a triple...HKP-00099$39.95 -
HK G3 Pistol Grip - PSG1 Sniper Style
AC-Unity
$39.95AC-Unity HK PSG1 Style Sniper Pistol Grip The new AC Unity Pistol Grip/Sniper Grip is a great upgrade if you want the PSG1 style grip frame for your HK firearm. The grip features an ambidextrous palm shelf for increased stability and weapon control...HKP-21628$39.95 -
HK VP9SK, P30SK, P2000SK Magazine Spring - 10 Round
H&K Heckler & Koch
$6.95Magazine Spring A great wear and replacement item as this is a consumable part and prone to wear and tear. If your slide is not locking back on the last round or you are having issues with reliable feeding, the magazine spring may be fatigued and...HKP-01480$6.95