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, AP5 Recoil Rod
MKE
$64.95MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...HKP-99343$64.95 -
HK VP9, P30 Magazine Base Pad - Hard Duty
Grayguns
$22.00The Grayguns HK VP9 and P30 Magazine Base Pads are designed for hard-duty use. The base pads are manufactured from 6061 Aluminum and professionally finished with MIL-A-8625 Type III anodized coating. Pads go through a glass-beading process...HKP-22344$22.00 -
HK VP9SK Competition Magwell
HKP HK Parts
$59.95HKP HK VP9SK Competition Magwell Lightweight VP9SK Magwell with a flared funnel for faster, more reliable reloads. Features: CNC machined from billet aluminum Type 3 hard coat anodized finish Functional funnel design for faster, smoother reloads Made in...HKP-22336-M$59.95 -
HK USP45 Tactical MOD 1 Threaded Barrel Compensator
HKP HK Parts
$179.95HK Parts MOD 1 Compensator for Threaded Barrel: H&K USP Tactical .45 ACP The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle flip and recoil,...HKP-22262$179.95 -
HK P7, P9 Extractor
H&K Heckler & Koch
$34.95H&K HK P7/P9 Extractor - Short / 7.65mm Removes spent casings from the chamber of H&K P7 and P9 pistols for reliable cycling. Compatible With: HK P7 K3HKP-22236$34.95 -
HK MP5 UCS Stock and Adapter
HKP HK Parts / Magpul
$317.95HK MP5 Magpul UCS Stock with Adapter The HK Parts UCS adapter and stock for the MP5 pairs our proven stock adapter with Magpul's UCS stock for a compact, adjustable configuration. The UCS stock features a reversible hinge for left and right folding...HKP-22197$317.95 -
HKP HK P30 Magwell - Ultra Low Profile
HKP HK Parts
$59.95HKP HK P30 Magwell - Tactical Low Profile The smallest, lowest profile magwell available for the HK P30, now with a fully functional funnel for quicker, smoother reloads. Precision-machined from durable aluminum, it enhances performance without adding...HKP-22165-M$59.95 -
HK90 Series Trigger Box - Full Auto SEF- USED
H&K Heckler & Koch
$89.95H&K 90 Series F/A Trigger Box - SEF- USED UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine H&K full-auto trigger box for 90 series firearms. Controls fire selector function and houses fire control component. Fits all...HKP-22156$89.95 -
On Sale
Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus
Zeiss / Fero
Now: $19.95Was: $29.95Zeiss Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus CONDITION AND COLOR MAY VARY. SEE PHOTOS. German manufactured surplus OD green canvas bag for the Z-51 night vision scope. THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE...HKP-99201Now: $19.95Was: $29.95 -
HK CC9 Firing Pin
H&K Heckler & Koch
$55.95H&K CC9 Firing Pin Made in Germany by H&K, the firing pin for the CC9 pistol strikes the primer to ignite the cartridge. Compatible With: HK CC9HKP-22136$55.95 -
HK CC9 Trigger Spring
H&K Heckler & Koch
$5.95H&K CC9 Trigger Spring This CC9 trigger spring was made in Germany by H&K and provides spring tension to reset the trigger after firing. Compatible With: HK CC9HKP-22122$5.95 -
HK91, G3 A3 Retractable Buttstock - New Old Stock
H&K Heckler & Koch
$1,345.95Heckler and Koch HK91, G3 A3 Retractable Stock - New Old Stock Genuine HK A3 retractable stock the HK91 or G3. These are original HK production units that have been out of manufacture for years, making remaining NOS increasingly rare. Compatible...HKP-22104$1,345.95