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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out Of Stock
HK USP M.R.A Red Dot Adapter
Outer Impact
$59.95Outer Impact HK USP M.R.A Red Dot Adapter The Outer Impact USP red dot adapter opens up a variety of sight options for the USP platform. Precision-machined from 7075 aircraft aluminum. Compatible...HKP-21624$59.95 -
HK416A5, HK417 Universal Tool
H&K Heckler & Koch
$144.95Heckler and Koch Universal Tool for HK416A5, HK417 Genuine HK multi-tool designed for the HK416A5 and HK417. Suitable for both bench and field use, this factory tool provides the essential functions...HKP-21621$144.95 -
B&T 1/2x28 Direct Thread to Hub Adapter
B&T Brugger & Thomet
$89.95B&T Direct Thread 1/2x28 Hub Adapter Convert any 1/2x28 RH threaded barrel to accept Hub devices with this direct fit adapter. Compatible With: HK MP5, MP5K, SP5, SP5KHKP-21506$89.95 -
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 -
Gideon Shadow UMP Rear Sight, Complete
OMEGA
$39.95Omega Rear Sight Complete for HK UMP All the parts needed for the rear sight on a Gideon Shadow UMP style build. New USA made parts for your build. Will only work with Gideon Shadow. Locking screw...HKP-21266$39.95 -
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