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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Out Of Stock
HK P30, P30S Barrel - 9mm - Threaded 1/2x28 RH - Tactical
H&K Heckler & Koch
$449.95H&K P30 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK German barrel now includes a factory HK German thread protector, designed specifically for threaded P30 barrels in 1/2x28. We start with a new HK German P30L barrel, professionally fitted to...HKP-19964$449.95 -
HK UMP, USC, G36 Handstop - Complete
HKP HK Parts
$49.95Hand Stop Complete - USA - UMP, USC & G36 Compatible With: USC UMP G36K G36CHKP-19236$49.95 -
HK G36 Single Optic Carrying Handle - Incomplete
$149.95HK G36 Single Optic Carrying Handle - Incomplete Stripped. The perfect for replacement of your well worn housing or broken housing. Just install your optic and you have a like new unit.HKP-16365$149.95 -
HK416, HK MR223 M-LOK Handguard for (11")
B&T Brugger & Thomet
$279.95B&T M-LOK Handguard for HK416/MR223 (11") B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles. A direct replacement for the...HKP-20402$279.95 -
HK MK23 Pistol Grip - Rubber
Talon Grip
$19.99TALON Grip - MK23 - Rubber Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The pistol grips will not...HKP-20262$19.99 -
HK Barrel Bore Cleaner - 7.62 / .308
Other
$7.95Outers Barrel .308/7.62 Bore Cleaner From the makers of the BoreSnake. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting end easily with the Outers Barrel badger Bore Cleaner. With a few passes,...HKP-19921$7.95 -
Swiss Military Single Point Sling - OD Green - Used
Other
$34.95Swiss Military Single Point Sling in OD Green - USEDHKP-19794$34.95 -
HK P30, P30L Grip Shell - Right - Small
H&K Heckler & Koch
$25.95HK P30 & P30L Right Grip Shell - Small - BlackHKP-01573$25.95 -
Out Of Stock
HK45C, USPC Magazine Body - 8 Round
H&K Heckler & Koch
$49.95H&K 8 Round HK USPC/45C .45 ACP Magazine Body A great spare to have on hand in the event that you damage or dent your magazine body. This is the mag body as shown not the complete magazine. Compatible With: HK45 Compact HK USP Compact 45 ACPHKP-16323$49.95 -
HK USPC, P2000 Magazine Floorplate - .40 S&W - 10 Round - Extended
H&K Heckler & Koch
$9.95New HK German USPC/P2000 Mag floor plate for .40 S&W 10 Round Magazines Compatible With: HK USP Compact .40 cal HK USP Compact .357 SIG HK P2000 .40 calHKP-01282$9.95 -
HK MP5, HK94 Trigger Group - Semi Auto - US Made
PTR
$459.95HK MP5/94 9mm Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed, as well as a factory-correct 9mm hammer spring and U.S. ejector lever. The remaining...HKP-14096$459.95 -
HK UMP Magazine - 25 Round - LEO Marked - Used
H&K Heckler & Koch
$149.95German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings. Condition of used parts will vary. All used parts are sold AS-IS. Compatible With: HK UMP .45 ACPHKP-17917$149.95