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 MP5, MP5K Extractor - Coated and Polished
HKP HK Parts
$44.95HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...HKP-22181-M$44.95 -
On Sale
Glock 17 Magwell - Gen 4
HKP HK Parts
Now: $9.95Was: $47.96HKP Glock 17 Gen 4 Magwell The perfect addition to your Glock 17 firearm, the HK Parts magwell will help keep the users hand in place while shooting. Installation is simple with an allen wrench, no gunsmithing required. Made in the USA. Ultra lightweight...HKP-19141Now: $9.95Was: $47.96 -
HK G36, G36K, G36C Bolt Carrier - Full Auto - Tungsten Filled
GSG9
$549.95HK G36 Tungsten Filled - Bolt Carrier Complete - Full Auto Compatible With: G36 G36K G36C Will NOT work with a factory HK SL8HKP-19030$549.95 -
HK 20 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red
$89.95H&K 20 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red HK Parts +7 magazine extension coupled with a 13 round .40 cal factory German magazine body adds 7 additional rounds. For a total fully assembled hand fitted...HKP-20183$89.95 -
HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
H&K Heckler & Koch
$34.95Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized.HKP-19692$34.95 -
HK 2 Round HK SLB 2000 30-06 Magazine
H&K Heckler & Koch
$29.95HK SLB 2000 30-06 2 Round MagHKP-16997$29.95 -
Meprolight HK VP9/45/P30 Night Sight Set
Meprolight
$99.99Meprolight HK VP9, 45, & P30 Night Sight Set Bright & Tough Night Sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same speed as...HKP-02225$99.99 -
HK USP 9mm Incomplete Slide
H&K Heckler & Koch
$436.95H&K HK USP 9mm Incomplete Slide New HK German factory USP 9mm slide incomplete. Date coded & marked with the laser engraved "HK" logo. Compatible With: HK USP 9mm & USP .40 lower frameHKP-17722$436.95 -
Out Of Stock
HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Pinky Rest
H&K Heckler & Koch
$24.99H&K 10 Round HK USPC/P2000 9mm Floor Plate w/ Pinky Rest Compatible With: HK USP Compact 9mm HK P2000 9mmHKP-01201$24.99 -
HK UMP, USC Recoil Rod Complete Assembly - 9mm / .40 S&W / .45 ACP - US Made
HKP HK Parts
$59.95HK USC, UMP 45/40/9mm Recoil Spring/Rod Assembly New USA made recoil assembly complete. Our design allows for easy repair and replacement of the recoil spring itself without replacing the entire recoil assembly as found on the German recoil assemblies...HKP-17989$59.95 -
HK MP5 Magazine Release Lever Spring - .40 S&W / 10mm
H&K Heckler & Koch
$9.95H&K MP5 40/10 Magazine Release Lever Spring The needed spring that fits in the mag release lever and the magwell for the MP5 40/10 series. Made in Germany and no longer offered or made. These units are the latest design with the ground ends for...HKP-18109$9.95 -
HK MP5K Trunnion - 9mm
HKP HK Parts
$57.95HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...HKP-17964$57.95