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 Dual Magazine Clamp Conversion Screw - G3 to MP5 Mags
HKP HK Parts
$2.95HKP Dual HK MP5 Magazine Clamp Conversion Screw This screw converts a HK91, G3, PTR dual magazine clamp (HKP-19634) into the correcHKP-20318$2.95 -
HK VP9, VP40 Grip Wrap for Large Backstraps - Granulate
Talon Grip
$19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Large Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm, improving performance, safety, and...HKP-20242$19.99 -
Out Of Stock
HK VP9, P30, HK45C Front Sight - HD XR Night Sight - Orange
Trijicon
$100.99Trijicon HD XR Front Sight - HK .45C, P30, VP9 (Excluding VP9 Optics Ready) - Front Sight Only: Orange Outline / Green Tritium The Trijicon HD XR night sights were specifically designed with the ever...HKP-20075$100.99 -
HK33, HK93, G3K M-LOK Modular Handguard
DTAC Dakota Tactical
$189.95DTAC HK93, HK33, HK33K, and G3K M-LOK Modular Handguard Modular M-LOK handguard system designed for HK93, HK33, HK33K, and G3K pattern firearms. Precision machined in the USA from T6 aluminum, this...HKP-20015$189.95 -
HK91, G3 Magazine - .308 - 10 Round - Used
H&K Heckler & Koch
$64.95H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or...HKP-19887$64.95 -
HK VP9, VP40 Backstrap - Medium - FDE
H&K Heckler & Koch
$27.95H&K VP9, VP40 Backstrap - Medium - FDE New HK German manufacture Compatible With: HK VP9 HK VHKP-18119$27.95 -
HK VP9, P30, HK45 Tru-Dot Front Night Sight
Meprolight
$45.95Meprolight HK VP9/45/P30 Tru-Dot Front Night Sight Bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sightsHKP-16588$45.95 -
HK P2000 Barrel - 9mm - 4.28" - Threaded 13.5x1 LH
RCM
$225.00RCM HK P2000 13.5x1 9mm LH Threaded Barrel - Black Each P2000 tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the...HKP-16701$225.00 -
HK G36, G36K Gas Block
H&K Heckler & Koch
$99.95HK G36E, G36K - Gas Block - German HK The real deal. HK German G36E, G36K Factory Gas Block. New uninstalled. Compatible With: SL8 Other G36 variants and custHKP-16351$99.95 -
HK G36, SL8, HK417, MR762 Bolt Head Ejector
H&K Heckler & Koch
$9.95H&K HK G36/SL8/MR762/417 Bolt Head Ejector Compatible With: HK MR762HKP-01868$9.95 -
Out Of Stock
HK UMP Lower Backplate
H&K Heckler & Koch
$34.95HK Heckler and Koch .40 S&W, .45 ACP, 9mm Lower Backplate for HK UMP HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.HKP-16473$34.95 -
HK UMP Lower - Navy 3 Position 0,1,Full
H&K Heckler & Koch
$1,249.95HK Heckler and Koch 3 Position Navy Lower for HK UMP New German Heckler & Koch UMP 3 position (0, 1, full) Navy lower. Each lower comes complete with all the factory internals. These lowers are ideal...HKP-00592$1,249.95