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 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...HKP-01038$589.95 -
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...HKP-01611$142.95 -
HK P30 Series Grip Shell - Left - Large
H&K Heckler & Koch
$19.95Heckler and Koch Large Left Grip Shell for HK P30 Series Compatible with: P30HKP-01575$19.95 -
HK45, HK45 Compact, P2000, P2000SK Right Slide Release Lever
H&K Heckler & Koch
$49.95Right Slide Release Lever Compatible With: HK P2000 HK P2000SK HK45HKP-01619$49.95 -
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)...HKP-02759$1.95 -
HK45C, USPC Firing Pin
H&K Heckler & Koch
$57.95H&K HK USPC/45C Firing Pin A great spare part to have on hand for wear and breakage parts. A factory German HK OEM part. Compatible With:HKP-01288$57.95 -
HK USP45, USP45T Magazine Extension Kit - 24 Round
HKP HK Parts
$39.95HKP 24 Round HK USP/Tactical .45 ACP Magazine Extension The HK Parts manufactured HK USP 45 mag extension allows the user to convert existing USP .45 12 round magazine to an enhanced 24 round...HKP-17454$39.95 -
HK USP Lanyard Loop Insert Pin
H&K Heckler & Koch
$19.95HK USP Lanyard Loop Insert Pin Compatible With: HK USP 9mm HK USP 40HKP-01930$19.95 -
HK416, MR556 Ejector For Bolt Head
H&K Heckler & Koch
$23.95Heckler and Koch HK MR556/416 Ejector For Bolt Head HK German factory part. Compatible With: HK MR556HKP-00037$23.95 -
HK G36, SL8 Cocking Handle
H&K Heckler & Koch
$55.95HK Cocking Handle For G36 & SL8 Bolt CarriersHKP-01853$55.95 -
HK UMP, USC, G36, SL8 Safety - Right Side 0,1
H&K Heckler & Koch
$9.95Safe, Semi 0,1 Only HK UMP, USC, G36, & SL8 Right Side Safety Control Lever Constructed from durable black polymer, this factory original part from HK is made in Germany and specifically designed for...HKP-01874$9.95 -
Out Of Stock
HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223
H&K Heckler & Koch
$9.95HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.HKP-00579$9.95