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 VP, HK45 Series Extractor Spring
H&K Heckler & Koch
$5.95HK VP9/45/P Series Extractor Spring A must-have repair and replacement part and a recommended part to change out when doing routine maintenance on your HK pistol. Compatible With: HK45 HK45C HK P30/P30L HK P30SK HK P2000 HK P2000SK HK VP9 HK VP9A1 F HK...HKP-01501$5.95 -
HKP HK Mark 23, SOCOM Bench Mat
HKP HK Parts
$13.95HKP HK Mark 23, SOCOM Bench Mat This isn't your ordinary gun cleaning mat! Show your pride for your HK Mark 23 firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen table,...HKP-17278$13.95 -
HK MP5, SP5 Telescopic Brace
B&T Brugger & Thomet
$650.00B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification required for installation...HKP-19504$650.00 -
HK Mark 23 Magazine Floorplate - .45 ACP - 12 Round
H&K Heckler & Koch
$19.95HK Mark 23 12 Round Magazine Floor Plate A great item to have on hand as the floor plates can become cracked and broken with use and time. Compatible With: Mark 23 12 round mags SOCOM Mark 23 12 round magsHKP-01196$19.95 -
HK Handguard Sling Pin - Ambi - Small
H&K Heckler & Koch
$61.95HK German Ambidextrous Small Sling Pin For Forearm This ambidextrous pin will allow the user to attach a sling hook to the sling pin. This will also allow the user to use the sling on either the left or right side.HKP-00077$61.95 -
HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible With: HK...HKP-01743$19.95 -
HK90 Series Front Sight Sling Loop - Used
H&K Heckler & Koch
$24.95HK German sling loop, eyebolt or triple frame retainer pin for front sight tower - Used This HK OEM item is used and pulled from demilled HK firearms. This is a must have item for all of your re-barrel jobs of for when you need to mount a sling loop to...HKP-17058$24.95 -
HK UMP Parts Kit - .45 ACP
HKP HK Parts
$1,299.95H&K UMP Parts Kit - .45 ACP The HK Parts UMP parts kit includes everything needed to build out an iconic HK UMP from a stripped receiver. Guaranteed to be the most cost-effective way to get your hands on a complete UMP when paired up with the...HKP-21433$1,299.95 -
HK416, MR556, G36 Gas Piston - Complete
H&K Heckler & Koch
$50.95H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...HKP-00047$50.95 -
HK VP9, VP9SK Right Side Charging Support
H&K Heckler & Koch
$6.95H&K HKVP9/VP9SK Right Side Charging SupportHKP-16826$6.95 -
HK MP5, HK91, HK93, MP5K Front Night Sight - Tritium
Meprolight
$39.99Meprolight Rifle Front Sight - HK MP5, HK MP5K HK91, HK93, PTR The Meprolight HK Mp5, 91, 93, 94 Rifle Front Sight, Green ML31506F.S Features: Self illuminated light source - No batteries or switches, always ready when you need them. Operates under...HKP-19703$39.99 -
HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT
H&K Heckler & Koch
$99.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT German-made Heckler & Koch grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type...HKP-01824$99.95