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 UMP, USC Sling Pin, Stock Block B
HKP HK Parts
$49.95HKP Stock Block B Sling Pin for HK UMP, and HK USC .40 S&W / .45 ACP / 9mm The original thumb screw version for all stock block B's. Compatible with:HKP-21504$49.95 -
HK VP9 R3D 2.0 Night Sights - Orange
XS Sights
$127.95XS Sight Systems VP9OR R3D 2.0 Night Sights - Orange Their second-generation R3D night sights are engineered to give you a brighter stronger set of sights. Easily install their sights with a set...HKP-21465$127.95 -
On Sale
HK VP9L Railok™ Threaded Barrel Compensator - BLEMISHED
HKP HK Parts
Now: $71.21Was: $189.95HK Parts Railok™ Mounting System Threaded Barrel Compensator: H&K VP9L COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOTHKP-21263-BNow: $71.21Was: $189.95 -
On Sale
HK416, MR556, G36 A5 Flash Hider - Threaded 1/2x28
HKP HK Parts
Now: $38.22Was: $59.95HKP (5.56/.223) HK 416C A5 Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and melonited (nitride process) for maximum longevity. Machined correctly to reduce tuning fork...HKP-21342Now: $38.22Was: $59.95 -
Out Of Stock
HK MP5 to MP5SD Front End Conversion Kit
DTAC Dakota Tactical
$1,299.95Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further. Our kit provides all necessary components (aside from...HKP-21318$1,299.95 -
HK VP9, P30 Magazine - 25 Round - Red - 9mm
HKP HK Parts / Heckler & Koch
$89.95Heckler and Koch and HKP HK Parts 25 Round HK VP9 Magazine – Red Cerakote HKPARTS +10 alloy magazine extension coupled with an HK 15 round factory German magazine adds 10 additional rounds total for...HKP-20896$89.95 -
HK91, G3 Backplate, Incomplete
H&K Heckler & Koch
$29.95G3 Incomplete Backplate Each backplate is refinished and parkerized as issued to the German military. This refinished backplate comes with a threaded end to accept a threaded recoil rod stop screw...HKP-20860$29.95 -
HK USP Magazine Pouch - Single - PLM
Comp-Tac
$45.95Single Magazine Pouch - PLM The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single Magazine Pouch- PLM...HKP-19855$45.95 -
HK VP9SK, P30SK Magazine, Complete - 20 Round - Red
HKP HK Parts / Heckler & Koch
$89.95HKP HK Parts and Heckler and Koch 10 Round Magazine with Red +10 Extension for HK VP9SK and HK P30SK Ideal for competitive shooters that would like a 20 round robust steel and alloy magazine. Each...HKP-19966$89.95 -
HK45 Thread Protector - Threaded .578x28 RH
USA
$24.95HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished...HKP-19891$24.95 -
HK VP9, P30 Magazine - 24 Round - Red Follower - 9mm
HKP HK Parts / Heckler & Koch
$94.95Heckler and Koch and HKP 24 Round Magazine Complete with Red Follower for 9mm HK VP9 and HK P30 HK Parts +7 alloy magazine extension coupled with an HK 17 round factory German magazine adds 7...HKP-19839$94.95 -
On Sale
OEM Fero Z51 Night Vision Manual
Now: $7.46Was: $24.95OEM Fero Z51 Night Vision Manual This is the manual for the recently imported German night vision scope for the MG3 Machinegun, G3 Rifle and Pazerbusche 84. The condition of these booklets will vary...HKP-19604Now: $7.46Was: $24.95