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 P9S Barrel - 9mm
H&K Heckler & Koch
$899.95H&K HK P9S 9mm Barrel No longer made or available. Last call on this rare and no longer made offering. We have the last of these barrels to ever be offered.HKP-17655$899.95 -
$11.99 -
$7.95 -
HK Mark 23 Secondary Recoil Compression Spring
H&K Heckler & Koch
$19.95H&K HK Mark 23 Secondary Recoil Compression SpringHKP-16642$19.95 -
$13.95 -
HK P30SK Grip Panel Left Side - Small
H&K Heckler & Koch
$17.95H&K P30SK Left Side Grip Panel - Small - Black Compatible With: HK P30SKHKP-18074$17.95 -
HK P30, P30L Control Latch
H&K Heckler & Koch
$8.95New HK German Control Latch For HK P30, P30L Pistols. Compatible With: HK P30 HK P30LHKP-02600$8.95 -
Out Of Stock
HK P2000 .357 SIG Incomplete Slide
H&K Heckler & Koch
$599.95HK P2000 .357 SIG Incomplete SlideHKP-02645$599.95 -
Out Of Stock
HK USP 9mm, .40 S&W Recoil Guide Rod
H&K Heckler & Koch
$32.95H&K HK USP 9mm/.40 S&W Recoil Guide Rod Compatible With: HK USP 9mm HK USP 40 S&WHKP-01081$32.95 -
On Sale
HK USP Rear Night Sight - Tru-Dot - Green
Meprolight
Now: $39.95Was: $69.95Meprolight HK USP Tru-Dot Rear Night Sight - Green Rear tritium night sight designed for HK USP full-size pistols. Provides a green illuminated aiming reference in low-light and no-light conditions without the use of batteries. Suitable for duty,...HKP-16592Now: $39.95Was: $69.95 -
HK USP Firing Pin Block - Old Style - .40 S&W, .45 ACP
H&K Heckler & Koch
$32.95Heckler and Koch Old Style Firing Pin Block for HK USP Compatible With: USP45 USP40HKP-01927$32.95 -
Out Of Stock
HK USP, USP Compact Disconnector
H&K Heckler & Koch
$9.95HK USP & USPC Disconnector Compatible With: USP 45 USP 40 USP 9mm USPC 45 USPC 40 USCP 9mHKP-02685$9.95