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 MP5, HK94, SP5 Magazine Spring - 20 Round
HKP HK Parts
Now: $4.43Was: $6.9520 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.HKP-20687Now: $4.43Was: $6.95 -
HK UMP, G36 3 Position Selector - Right
HKP HK Parts
$8.95HKP HK UMP, G36 3 Position Selector - Right HK UMP & G36 right safety selector lever for all 3 position HK UMP & G36 lowers only.HKP-20179$8.95 -
On Sale
HK VP9 Optic Plate #5 - Burris FastFire, Vortex Viper / Venom - Red Dot Pistol Mount - Steel
HKP HK Parts
Now: $22.46Was: $49.95HK VP9 #5 Optics Plate for Burris FastFire Steel VP9 optic plate to mount the Burris FastFire. Made in the USA. Compatible With: Burris FastFire 2 & 3, Vortex Viper aHKP-19544Now: $22.46Was: $49.95 -
PTR PDW Bolt Carrier - Full Auto - 7.62x39 / 7.62x51 / .308
PTR
$229.95 - $297.86PTR PDW (7.62x39) & (7.62x51/.308) Pistol Full Auto Bolt Carrier Made by PTR using the same blueprints and materials the German HK factory uses has allowed PTR91 to manufacture the finest of HK style...HKP-20165-M$229.95 - $297.86 -
HK UMP, USC Lower Axle Pin
H&K Heckler & Koch
$9.95Heckler and Koch HK UMP and HK USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.HKP-19383$9.95 -
HK VP9, VP40 Backstrap - Medium - Black
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - Black New HK German manufacture. Compatible With: HK VP9 HHKP-16813$29.95 -
HK VP9, VP9SK, VP40 Firing Pin with Striker
H&K Heckler & Koch
$59.95H&K VP9/VP9SK, HK VP40 Firing Pin w/ Striker New HK German factory firing pin that fits all models of VP series pistols. Compatible With: HK VP9, VP9 Tactical, VP9L, VP9 ORHKP-16833$59.95 -
HK P7 PSP Magazine - 8 Round - 9mm
H&K Heckler & Koch
$78.95Heckler and Koch 8 Round 9mm Magazine in Black for HK P7 PSP There are multiple versions of the P7 pistols and magazines. The original pistols were called HK PSP; later, they were renamed P7 PSP and...HKP-00322$78.95 -
HK USP45 Recoil Assembly, Complete
H&K Heckler & Koch
$99.95Heckler and Koch .45 ACP Complete Recoil Assembly for HK USP New HK German manufacture. Compatible With: USP Full Size Pistol <HKP-01161$99.95 -
HK USP Tactical Magazine - 9mm - 31 Round
H&K Heckler & Koch
$149.00H&K 31 Round HK USP 9mm Tactical Magazine HK German manufactured for the USP 9mm full-size pistol. Holds 31 rounds of 9mm ammunition. Compatible With: HK USP 9mm full-size VarHKP-00302-M$149.00 -
HK21E, HK23E, HK11E, HK13E Hammer Spring
H&K Heckler & Koch
$19.95HK German HK21E, 23E, 11E & 13E Hammer Spring - German This is the heaviest HK hammer spring available for the roller lock family of firearms. The factory correct hammer spring for the beltfed series...HKP-15453$19.95 -
HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus
H&K Heckler & Koch
$249.95HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all...HKP-01998$249.95