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 Trigger Group - Super Safety - Push Pin
War Hammer Armaments
$562.46 - $607.46War Hammer Armaments OEM Polymer MP5 Super Safety Lower Receiver - Push Pin War Hammer Super Safety complete lower for MP5 push pin platforms. Constructed of Kevlar and carbon-fiber–infused polymer,...HKP-22824-M$562.46 - $607.46 -
On Sale
HK MP5 Magazine Catch - 9mm - Turkish Contract - Raw
Other
Now: $4.12Was: $19.95Turkish Contract Raw Magazine Catch for HK MP5 9mm Turkish contract raw magazine catch for the MP5. This part is ideal for replacement, restoration, or custom fitment work on compatible builds...HKP-99484Now: $4.12Was: $19.95 -
HK MP5, HK94 Rivet for Sling clip - Pack of 3
LSC
$3.95LSC HK MP5, HK94 Rivet for Sling Clip and Case Deflector - Pack of 3 Each sling clip, US or German-made, will require 3 rivets to attach to the receiver or flat. Compatible With:HKP-99400$3.95 -
On Sale
HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED
HKP HK Parts
Now: $67.46Was: $149.95HKP HK Linear Compensator - Threaded 15x1 RH - 5.56 and .308 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART...HKP-99398Now: $67.46Was: $149.95 -
On Sale
WOOX Vertical Grip - M-LOK
WOOX
Now: $80.06Was: $88.95WOOX HK Rifle, SMG M-LOK Vertical Grip This M-LOK vertical grip is a compact, ambidextrous foregrip made from American walnut with a reversible dual-wall design (vertical wall AND curved wall) to...HKP-22464Now: $80.06Was: $88.95 -
On Sale
HK FMP G3 Rear Receiver Section - SURPLUS
FMP HK CONTRACT
Now: $22.46Was: $24.95H&K G3 Complete Parkerized Rear Receiver Section without Rear Sight - SURPLUS UNIT CONDITION WILL VARY Steel rear receiver section manufactured by FMP on HK tooling. Does not include the rear sight...HKP-22375Now: $22.46Was: $24.95 -
HK416, MR556 Bayonet Adapter - M27 Style
H&K Heckler & Koch
$69.95Heckler and Koch Bayonet Adapter HK416, MR556 for M27 Build OEM bayonet adapter for HK416 and MR556 rifles for M27-style builds. Mounts to the barrel assembly to accept a standard bayonet.HKP-22191$69.95 -
Out Of Stock
HK CC9 Magazine Body - 9mm - 12 Round
H&K Heckler & Koch
$34.95Heckler and Koch 12-Round Magazine Body for HK CC9 OEM 10-round magazine body for the HK CC9, made in Germany by Heckler & Koch and ideal as a factory-spec replacement. Compatible With:HKP-22147$34.95On Sale
HK CC9 Holster - Comp Carry - LH
Comp-Tac
Now: $53.96Was: $59.95Comp-Tac HK CC9 Comp Carry Holster - Left HandHKP-22097Now: $53.96Was: $59.95
HK MG3 50 Round Assault Drum
H&K Heckler & Koch
$27.95H&K MG3 50 Round Assault Drum H&K manufactured 50-round drum for the MG3. Unissued, but may have light marks or dust from long-term storage. Clips onto MG3HKP-22090$27.95On Sale
HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED
H&K Heckler & Koch
Now: $409.46Was: $945.95Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - BLEMISHED THESE KITS INCLUDE A BENT BARREL AND ONE MAGAZINE. BLEMISHED PARTS ARE SOLD AS IS. THIS KITHKP-01147-BNow: $409.46Was: $945.95Out Of Stock
HK P30S, P30SK Detent Pin Compression Spring
H&K Heckler & Koch
$4.95H&K P30S/P30SK Detent Pin Compression Spring Compression spring for the detent pin on H&K P30 series pistols equipped with a manual safety. Designed to provide proper tension and reliable function...HKP-22030$4.95