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 MP5K Slimline Handguard
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm Used German military slimline forearm refinished in a black cerakote . Cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible With: MP5K,...HKP-20275$49.95 -
HK VP9, VP40 Grip Wrap - Rubber - Medium Backstrap
Talon Grip
$19.99TALON Grip - H&K VP9, VP40 - Rubber Black - Medium Backstrap 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...HKP-20246$19.99 -
Out Of Stock
HK USPC, USPC Tactical Barrel - .45 ACP - 4.47" - Threaded 16x1 LH
RCM
$250.00RCM HK USPC .45 ACP Barrel - Threaded 16x1 LH HK USPC .45 ACP & HK USPC Tactical .45 ACP barrel with 16x1 threaded design, compatible with various flash hiders and sound suppressors. Unlike the factory USPC Tactical .45 ACP barrel with metric 16x1...HKP-20129$250.00 -
Out Of Stock
HK VP9, P30, HK45C Front Sight - HD XR Night Sight - Orange
Trijicon
$100.99Trijicon HD XR Front Sight - H&K .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 evolving challenges of law enforcement agencies...HKP-20075$100.99 -
HK MP5 Folding Stock with HK Parts Adapter
HKP HK Parts / Heckler & Koch
$269.95German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...HKP-19453$269.95 -
HK VP9, VP9SK, VP40 Slide Plate
H&K Heckler & Koch
$13.95H&K VP9, VP9SK, VP40 Slide Plate New German HK manufacture. Slide plate for the rear of the pistol. Made of polymer. Compatible With: HK VP9, VP9 Tactical, VP9 OR HK VP9SK HK VP9A1 F, VP9A1 K HK VP40HKP-16834$13.95 -
HK417, MR762, G28 Receiver End Plate
H&K Heckler & Koch
$24.95H&K HK MR762/417/G28 Receiver End Plate New HK German factory. Compatible With: HK MR762 HK 417 HK G28HKP-16610$24.95 -
HK Mark 23 Barrel - .45 ACP - Threaded 16x1 RH
H&K Heckler & Koch
$589.95H&K Mark 23 .45 ACP Barrel - Threaded 16x1 RH A great replacement item for a now out-of-production pistol. New HK German mark 23 barrel threaded with the factory correct 16x1 RH thread. Get that replacement or factory new spare barrel while they are...HKP-01038$589.95 -
Out Of Stock
HK VP9, P30, HK45C Night Sight Set - Green
Trijicon
$142.95Trijicon HK VP/45C/P30 Night Sight Set - Green Trijicon Bright & Tough Night Sights are 3 dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same speed...HKP-01611$142.95 -
HK P30, P30L, P30S Backstrap - Large
H&K Heckler & Koch
$29.95Heckler and Koch Large Black Backstrap for HK P30, HK P30L, and HK P30S New HK German manufacture. Compatible With: P30 9mm and .40 cal P30L 9mm and .40 cal P30S 9mm and .40 calHKP-01567$29.95 -
HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever with Axle
H&K Heckler & Koch
$30.95HK Slim Slide Release Lever w/ Axle This is the upgraded version that replaced the original early versions. This model has enhanced upgrades to update and improve your HK pistol's function and design features. Compatible With: HK45 HK45...HKP-01956$30.95 -
Barrel Bore Cleaning Brush - .40 S&W
USA
$1.95.40 S&W Barrel Bore Cleaning Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting...HKP-02759$1.95