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 Tactical Pistol Bag - Large - Black with Red Logo
H&K Heckler & Koch
$69.95H&K Tactical Pistol Bag - Large - Black with Red Logo Keep your handgun safe and secure with the HK tactical nylon case. This heavy duty case will accommodate two pistols, accessories and two magazines. Includes movable, velcro-backed modular double...HKP-20468$69.95 -
HK UMP, USC Lower Axle Pin
H&K Heckler & Koch
$9.95HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.HKP-19383$9.95 -
HK45 Compact Barrel - .45 ACP - 3.94" - Non-threaded
H&K Heckler & Koch
$234.95HK45C German Barrel Genuine Heckler & Koch HK45 Compact standard length, non-threaded, factory barrel. This is a great item to have as a spare.HKP-01641$234.95 -
On Sale
HK USP V1, V2 Old Style Complete Hammer
H&K Heckler & Koch
Now: $29.95Was: $79.95HK USP V1/V2 Old Style Complete Hammer HK USP complete with pin - hammer variant 1, 2, and 9. Old style all metal USP spurred hammer.HKP-01602Now: $29.95Was: $79.95 -
HK91, G3, PTR91 Stock with Enhanced Buffer, Complete
Magpul
$899.95Magpul PRS Stock With Enhanced Buffer The Magpul PRS2 (Precision Rifle Sniper) is a drop-in, precision-adjustable buttstock designed for the HK G3, HK91, PTR91 rifle and its variants. Designed to offer the fine-tuned, customized feel of a precision...HKP-16698$899.95 -
PTR Flash Hider - G28 Style - Threaded 5/8x24 RH
MFI
$79.95MFI PTR Flash Hider - .223/5.56 - G28 Style - 5/8x24 RH The G28 2nd Gen flash hider is designed for 2016 and later PTR production models, as well as other firearms with 5/8x24 threaded barrels. This flash hider features a deep counter bore,...HKP-17940$79.95 -
HK MP5 Magazine Spring - .40 S&W, 10mm - 30 Round
H&K Heckler & Koch
$9.95H&K Heckler and Koch 30 Round Magazine Spring for HK MP5 40,10 New HK German MP5 40/10 magazine spring for the 30 round magazine. Hard to find and a must have repair and replacement item.HKP-01056$9.95 -
3 Point Sling Holding Clip - Replacement
H&K Heckler & Koch
$19.95New HK German 3-Point Sling Rear Stock Holding Clip This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...HKP-01043$19.95 -
Out Of Stock
HK MP5, MP5K, HK33, HK53, HK93 Optic Mount - Raised - Aimpoint ACRO P-2
HKP HK Parts / Aimpoint
$708.95HK MP5 Aimpoint ACRO P-2 with HKP Raised Optic Mount The HKP Raised optic mount was designed to elevate the ACRO P-2 sight to a height that is both comfortable and easy to view, while retaining an unobstructed view of the factory sights. Get the best of...HKP-21895-M$708.95 -
On Sale
HK VP9 Optic Plate #5 - Burris FastFire, Vortex Viper / Venom - Red Dot Pistol Mount - Steel
HKP HK Parts
Now: $29.95Was: $49.95HK VP9 #5 Optics Plate for Burris FastFire Steel VP9 optic plate to mount the Burris FastFire. Made in the USA. Compatible With: Burris FastFire 2 & 3, Vortex Viper and Venom, & ADE Advanced RD3-015 HK VP9 OR, VP9 Tactical OR HK VP9L...HKP-19544Now: $29.95Was: $49.95 -
Out Of Stock
HK P30SK, P2000SK Barrel - 9mm - 3.89" - Threaded 13.5x1 LH
RCM
$225.00RCM HK P30SK & P2000SK 9mm Barrel - Threaded 13.5x1 LH Each HK P2000SK & P30SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished inside and out in the ultra-desirable nitride finish...HKP-19307$225.00 -
HK VP9, VP40 Backstrap - Medium - Black
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - Black New HK German manufacture. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-16813$29.95