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 MP5SD Rubber Handguard - BLEMISHED
HKP HK Parts
Now: $64.95Was: $169.95HKP MP5SD Rubber Handguard - BLEMISHED THIS COSMETICALLY BLEMISHED ITEM IS FULLY FUNCTIONAL. THIS ITEM IS SOLD AS IS AND NOT ELIGIBLE FOR A RETURN. These handguards will have minor damages on the steel. They will be slightly bent on some areas but...HKP-17400-BNow: $64.95Was: $169.95 -
HK MP5, SP5 Folding Brace
B&T Brugger & Thomet / SB Tactical
$279.95B&T MP5/SP5 Folding Brace - Swiss/US Factory Swiss B&T MP5, SP5 Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel slightly used...HKP-19353$279.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip - A5 Style - Gen 2 - RAL8000
H&K Heckler & Koch
$44.95Heckler and Koch A5 Grip V2 - RAL 8000 HK416, MR556, HK417, MR762 G28 A5 Compatible With: HK416, HK416 A5, HK MR556 HK417, HK417 A2, HK MR762 HK M27 HK G28 AR-15, M4, & M16 Platforms Please Note: Color representation is based on Heckler &...HKP-18467$44.95 -
HK USC (.45 ACP) 10 Round Magazine
H&K Heckler & Koch
$74.95HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.HKP-00811$74.95 -
HK91, G3 Rear Sight - Surplus
H&K Heckler & Koch
$14.95HK German G3, 91, PTR Rear Sight Assembly Good - Very Good HK German factory sight. We offer the finest used German HK sights at the BEST price in the country. Each German HK used sight was hand selected & picked from to be the finest examples of all...HKP-18092$14.95 -
HK VP9 Optic Plate #12 - Aimpoint ACRO P-1, P-2 - Red Dot Pistol Mount - Steel
HKP HK Parts
$49.95HK VP9 Series Optics Ready #12 - Aimpoint ACRO - Optic Mount - Steel Each VP9 optic plate is CNC machined from a solid billet of ordnance grade steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2...HKP-20030$49.95 -
On Sale
Sig Sauer Compensator - P320-XTEN
HKP HK Parts
Now: $129.95Was: $189.95HKP Sig Sauer P320 X-Ten Compensator Our P320 X-Ten compensator reduces recoil and muzzle flip. Each unit is 100% US-made and finished in durable black cerakote. Our X-Ten compensator features a Picatinny rail to mount lights/lasers. Available...HKP-21190Now: $129.95Was: $189.95 -
HK USP Magazine - .40 S&W - 10 Round
H&K Heckler & Koch
$55.95HK German Full Size USP .40 10 Round Magazine Fits all USP full-size .40 pistols. Perfect for those who live in restricted states. Compatible With: HK USP .40 HK USP .40 Tactical HK USP Elite & Expert Please Note: This part will not fit the USP...HKP-01205$55.95 -
GSG 22 Round GSG-5/GSG-16 .22LR Magazine
GSG German Sports Guns
$29.95GSG 22 Round GSG-5/GSG-16 .22LR Magazine The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish. Compatible With: GSG-16 GSG5 GSG522 GSG5PK GSG-16PK Please...HKP-00794$29.95 -
Out Of Stock
HK417, MR762 Magazine - 10 Round- RAL8000
H&K Heckler & Koch
$64.95Heckler ad Koch 10 Round HK MR762 and HK417 7.62x51/.308 Magazine - RAL 8000 Genuine HK German 10 round MR762 magazine. Factory fresh & hard to find. Compatible With: HK MR762 HK417 HK G28HKP-18593$64.95 -
HK SL8 Magazine - 10 Round - Factory
H&K Heckler & Koch
$65.95HK German 10-Round Magazine For The SL8-1 & SL8 Firearms. Made in Germany and factory fresh.HKP-00276$65.95 -
HK33, HK53, HK93, HK91, G3 Complete Stock Buffer Assembly
H&K Heckler & Koch
$24.95HK33, HK53, HK93, HK91, G3 Complete Stock Buffer Assembly - All Mounting Hardware Each unit comes with all of the mounting hardware for installing the G3 buffer to your backplate assembly. Also fits the HK93, 33, and 53 fixed stocks as well (use the same...HKP-00362$24.95