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 MP5K, SP5K Folding Stock - 10"
Zenith
Now: $89.96Was: $99.95Zenith HK MP5K, SP5K, SP89 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5K receivers.HKP-22419Now: $89.96Was: $99.95 -
On Sale
HK USP, USPC Bench Mat
HKP HK Parts
Now: $11.16Was: $13.95HKP HK Parts Bench Mat for HK USP and HKUSP Compact This isn't your ordinary gun cleaning mat! Show your pride for your firearm while using this high quality neoprene rubber backed and cloth top gun...HKP-17109Now: $11.16Was: $13.95 -
HK G36, SL8 Handguard Rail - Bottom - 6"
HKP HK Parts
$27.95G36 & HK SL8 6" Bottom Rail Fits the SL8 and G36 full-size forearms. This item is just over 6" in overall length and is made from aircraft-grade aluminum. Comes with the screws needed for...HKP-00285$27.95 -
On Sale
HK MP5SD Rubber Handguard - BLEMISHED - HKP
HKP HK Parts
Now: $48.71Was: $169.95HKP MP5SD Rubber Handguard - BLEMISHEDHKP-17400-BNow: $48.71Was: $169.95 -
HK P7 PSP, P7M8 Magazine Spring - 9mm - 8 Round
H&K Heckler & Koch
$8.958 Round HK P7 PSP & P7M8 9mm Magazine Spring Compatible With: P7 PSP P7M8HKP-01357$8.95 -
On Sale
HK Style 9mm 3 Lug Suppressor Adapter - Threaded 1/2x28 RH
Kaw Valley Precision
Now: $29.56Was: $36.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 1/2x28 RHHKP-19987Now: $29.56Was: $36.95 -
Out Of Stock
B&T APC45, SPC45, GHM45 Magazine - 25 Round
B&T Brugger & Thomet
$145.00B&T .45 ACP 25 Rounds Magazine B&T's APC45 replacement magazines are the same straight-body stick mags that ship with new B&T firearms. These high quality factory magazines hold 25 rounds of ...HKP-17438$145.00 -
HK VP9 Optics Plate #4 - Leupold DeltaPoint Pro, Eotech EFLX - Red Dot Pistol Mount
HKP HK Parts
$29.95 - $39.95HKP/H&K VP9 9mm Leupold DeltaPoint Pro and Eotech EFLX Optics Plate #4 Each plate is CNC machined from a solid billet of ordnance grade aluminum, deburred, tumbled and Cerakoted for the ultimate in...HKP-20070-M$29.95 - $39.95 -
HK VP40, USP, USPC Extractor Spring
H&K Heckler & Koch
$5.95Heckler and Koch USP/USPC/VP40 Extractor Spring The extractor spring is one of the hardest working parts of your HK pistol. The extractor spring should be changed every 5K rounds. A must-have spare...HKP-01079$5.95 -
HK MP5, G3, HK93 Magazine Catch Push Button
H&K Heckler & Koch
$8.95Push Button For Magazine Catch Compatible With: G3 91 MP5HKP-01833$8.95 -
HK Locking Washer - Rear Sights
HKP HK Parts
$2.95HKP Rear Sights Locking Washer HK German rear sights toothed locking washer used in perfect working order.HKP-00869$2.95 -
HK91, G3, HK33, HK93 Bayonet Adapter - Complete - Turkish Contract
Other
$38.95Turkish Contract Complete Bayonet Adapter for HK91, HK G3, HK33, HK93 Complete Turkish contract 90 Series-style steel bayonet adapter supplied with the required mounting hardware. Designed for...HKP-22517$38.95