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 Rail Mount Compensator - FDE
HKP HK Parts
Now: $101.21Was: $169.95HKP HK VP9 Rail Mount Compensator - FDE *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.*HKP-20977Now: $101.21Was: $169.95 -
On Sale
HK45C, P30 Holster - EV2 AIWB - Hybrid Max
Comp-Tac
$43.32 - $62.96Comp-Tac HK P30/HK45C EV2 AIWB Holster Hybrid Max Appendix inside-the-waistband (AIWB) hybrid holster designed for HK P30 and HK45C pistols. The eV2 Max combines a Kydex shell for secure firearm...HKP-19571-M$43.32 - $62.96 -
On Sale
HK G36, SL8 Paddle Magazine Release
USA
Now: $16.16Was: $17.95US Magazine Paddle Release for HK G36 and HK SL8 HK G36 Mag Release or mag catch. Compatible With: SL8 G36HKP-18222Now: $16.16Was: $17.95 -
HK45, HK45C Detent Plate - Variant 5,6,9
H&K Heckler & Koch
$54.95H&K Detent Plate New HK German manufacture safety ONLY detent plate. This detent plate will convert the firearm to safety only with no decocking functions. Compatible With:HKP-02079$54.95 -
On Sale
HK MP5, SP5 Modular Folding Stock System
F5 MFG
Now: $404.96Was: $449.95F5 MFG Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most...HKP-19484Now: $404.96Was: $449.95 -
HK Mark 23 Firing Pin Block Spring
H&K Heckler & Koch
$9.99HK Mark 23 Firing Pin Block Spring Compatible With: Mark 23 Socom .45HKP-01599$9.99 -
HK P30 Series Left Slide Release Lever
H&K Heckler & Koch
$54.95Slide Release Lever Left - P30 Latest HK production. Compatible With: P30HKP-01879$54.95 -
HK45, HK45 Compact V2 Right Side LH Lever
H&K Heckler & Koch
$31.95HK 45 & 45C V2 Right Side LH Lever This is the control lever for left-hand shooters. This would be the lever on the right side of the frame for left-hand shooters. The V2 left lever will allow...HKP-02416$31.95 -
HK USP Light Conversion Kit - TLR-3, TLR-4
Streamlight
$24.95Streamlight TLR-3, TLR-4, TLR-4G HK USP Full Size Conversion Kit - Full Size USP This kit adapts a standard TLR-3 or TLR-4 to fit a USP full size pistol.HKP-16923$24.95 -
HK45, USP New Style Hammer Strut
H&K Heckler & Koch
$12.95Heckler and Hock HK USP and HK45 New Style Hammer Strut Compatible With: HK USP 45 HK USP 40 HKHKP-01250$12.95 -
HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2
H&K Heckler & Koch
$9.99Heckler and Koch HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock...HKP-16604$9.99 -
HK416, MR556, HK417, MR762 Handguard Locking Screw - A1 Style
H&K Heckler & Koch
$24.95Heckler and Koch A1 Handguard Rail System Screw for HK416, HK MR556, HK417, and HK MR762 Factory HK handguard rail screw for A1 handguards.HKP-02717$24.95