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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HK45 Thread Protector - Threaded .578x28 RH
USA
$24.95HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...HKP-19891$24.95 -
On Sale
OEM Fero Z51 Night Vision Manual
Now: $9.95Was: $24.95OEM Fero Z51 Night Vision Manual This is the manual for the recently imported German night vision scope for the MG3 Machinegun, G3 Rifle and Pazerbusche 84. The condition of these booklets will vary. Specifications: Height: 8.5" Width: 5...HKP-19604Now: $9.95Was: $24.95 -
HK VP9, VP9SK, VP40 Trigger Bar Pin
HKP HK Parts
$9.95HKP HK Parts Elbow Spring Stop Pin for HK VP9, HK VP9SK, and HK VP40HKP-16779$9.95 -
Out Of Stock
HK VP9 Barrel - 9mm
H&K Heckler & Koch
$269.95H&K Barrel VP9 Brand New HK German Standard Length VP9 Barrel. Marked HK 9mmx19. Brand new cold hammer forged & made in Germany. Compatible With: HK VP9 (Optics Ready and non-OR) HK VP9 Tactical HK VP9K HK VP9X NOT compatible with VP9F, VP9L,...HKP-16820$269.95 -
HK417, MR762 Complete Buffer
H&K Heckler & Koch
$129.95H&K HK MR762/417 Complete Buffer Specifications: Weight: 6.1 Oz Overall length: 3.20" OD: 1.18" Compatible With: HK MR762 HK 417HKP-16769$129.95 -
HK45 Series Recoil Spring
H&K Heckler & Koch
$19.95HK 45 Series Recoil Spring New HK German factory OEM part. Compatible with all new HK45 full-size pistols and not be used for the USP .45 models. A must-have spare part for repair and replacement as this is a high-wear item.HKP-01562$19.95 -
HK Mark 23 Magazine Release
H&K Heckler & Koch
$24.99Heckler and Koch Magazine Release HK Mark 23 Compatible with: Mark 23HKP-01772$24.99 -
Out Of Stock
HK VP9, P30, HK45C Night Sight Set - HD XR - Yellow
Trijicon
$184.95Trijicon HK VP/45C/P30 HD XR Night Sight Set - Yellow Front Outline The Trijicon HD XR Night Sights were specifically designed with the ever-evolving challenges of law enforcement agencies in mind. Building on the features of the current HD Night...HKP-18271$184.95 -
HK P30, P30L Grip Shell - Left - Small
H&K Heckler & Koch
$18.95HK P30 & P30L Left Side Grip Shell - Small - Black Ideal for adjusting the custom grip for your preferred shooting comfort.HKP-01574$18.95 -
HK G36, SL8 Cocking Handle Spring - US
$9.95G36 Cocking Handle Spring- US Made Compatible With: G36 All variants SL8 All variantsHKP-18369$9.95 -
HK G36, SL8 Cocking Handle Spring
H&K Heckler & Koch
$10.95HK German G36 Cocking Handle Spring - All Variants Compatible With: G36 - all variants SL8 - all variantsHKP-01862$10.95 -
HK USC, SL8 Buttstock Allen Screw
H&K Heckler & Koch
$17.95Buttstock Allen Screw For HK USC Or HK SL8 rifles. This is the screw that holds the stock assembly onto the upper receiver of the HK USC & SL8.Great for replacements or to have as spares. This item is factory HK and a common spare.HKP-01649$17.95