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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HK417, MR762 Cylindrical Pin for Stop Pin
H&K Heckler & Koch
$9.95H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417HKP-16619$9.95 -
HK417, MR762 Barrel Nut
H&K Heckler & Koch
$99.95Heckler and Koch Barrel Nut or Socket Barrel for HK MR762 - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced.HKP-16597$99.95 -
On Sale
HK P7M8, P7M10, P7M13 Sight Set - Fiber Optic
Hi-Viz
Now: $38.22Was: $59.95Hi-Viz Fiber Optic Sight Set for HK P7M8, P7M10, P7M13 Fiber optic sight set for HK P7-series pistols. The set includes a green rear sight and an interchangeable fiber-optic front sight with red and...HKP-16937Now: $38.22Was: $59.95 -
HK Mark 23 6.7mm +2 Rear Sight
H&K Heckler & Koch
$59.95HK Mark 23 Rear Sight - 6.7 mm This sight comes 6.7mm height +2mm over the stock height. Other Rear Sight Heights: 5.5mm (-8)HKP-02256$59.95 -
$6.95 -
HK VP9, P30, HK45 Front Sight 6.7mm - Red
H&K Heckler & Koch
$29.95Heckler and Koch Red Phosphorescent Front Sight - 6.7mm Compatible With: HK VP9, VP9SK, VP40 HK VP9A1 F, VP9A1 K HK P30,HKP-18833$29.95 -
HK P30, P2000 Trigger Bar Detent
H&K Heckler & Koch
$16.95HK P30 & P2000 Trigger Bar Detent Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P2000 HK P2000SKHKP-01798$16.95 -
HK P2000, P2000SK Magazine Disconnect Elbow Spring
H&K Heckler & Koch
$9.95Heckler and Koch Magazine Disconnect Elbow Spring or HK P2000 and HK P2000SK Compatible With: P2000HKP-02601$9.95 -
HK USP Firing Pin Block - Old Style
H&K Heckler & Koch
$29.95HK USP Series Old Style Firing Pin Block Compatible With: HK USP 45 HK USP 40 HK USP 9mmHKP-01926$29.95 -
On Sale
HK G36, SL8 Optic Mount with Emergency Sights
B&T Brugger & Thomet
Now: $228.71Was: $296.95B&T Long Mounting Rail NAR for HK G36/G36K, with Emergency Sight Specifications: Color: Black Height max: 41.5 mm Length max: 483.2 mmHKP-16874Now: $228.71Was: $296.95 -
On Sale
HK USC, USC Bolt Carrier - Semi Auto - 9mm
Michaels Machines
Now: $629.96Was: $699.95HK UMP/USC (9mm) Semi Auto Bolt Carrier The semi-auto bolt group is needed for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Specifications:HKP-02283Now: $629.96Was: $699.95 -
HK USC Locking Lever Axle - .45 ACP
H&K Heckler & Koch
$29.95HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowersHKP-16376$29.95