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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On Sale
HK G36, SL8 Optic Mount - Fixed Sights - Picatinny Rail
USA
Now: $127.47Was: $199.95HK SL8, G36 Sight Rail With Front & Rear Fixed Sights US made SL8 & G36 Picatinny rail with fixed iron sights. Each rail requires 3 hardware sets to mount. ComHKP-19717Now: $127.47Was: $199.95 -
On Sale
HK VP9 Optic Plate #5 - Burris FastFire, Vortex Viper / Venom - Red Dot Pistol Mount
H&K Heckler & Koch
Now: $22.46Was: $48.95Optics Plate #5 Burris FastFire - HK VP9, VP9L All Steel HK German OEM optics plate to mount Burris FastFire (gen 2/3) Vortex Viper and Venom, and ADE Advanced RD3-015 Compatible With:HKP-19257Now: $22.46Was: $48.95 -
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...HKP-20468$69.95 -
HK Mark 23 Extractor
H&K Heckler & Koch
$79.95HK German Mark 23 SOCVOM Extractor New HK German manufacture. This item is no longer being made and is a great spare part to have on hand. Compatible With: Mark 23HKP-01408$79.95 -
HK VP9, P30, HK45 Night Sight Set
Meprolight
$99.99Meprolight Night Sight Set for HK VP9, HK45, and HK P30 Bright and Tough Night Sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional...HKP-02225$99.99 -
HK USP V2, V6, V10 LH Control Lever
H&K Heckler & Koch
$43.95New HK German USP Full Size Control Lever For Variants 2, 6, 10 A common item to convert the USP from a right-handed shooter to a left-handed operation. This is the control lever for the right side...HKP-01415$43.95 -
HK Tactical Pistol Case - FDE
H&K Heckler & Koch
$129.95H&K Tactical Pistol Case - FDE 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,...HKP-17153$129.95 -
Pistol Magazine Loader - .22LR to .380 ACP
Maglula
$35.95Maglula .22LR - .380 ACP Pistol Magazine Loader The BabyUpLULA is a high-quality pistol magazine loader and unloader designed for loading virtually all* single-stack and narrow-body .22 LR to .380...HKP-15637$35.95 -
On Sale
HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy
Michaels Machines
Now: $107.71Was: $168.95MM Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by...HKP-00153Now: $107.71Was: $168.95 -
HK MP5, MP5K Rear Sight Set Complete-Windage Knob
H&K Heckler & Koch
$129.95MP5 & HK94 Rear Sight Set Complete - With Windage Adjustment Knob Each rear sight unit comes with German HK parts, with the only exception being the hand-adjustable windage screw. Each set includes...HKP-02532$129.95 -
HK91, G3 Barrel Flute Cleaning Brush - 7.62x51 / .308
HKP HK Parts
$19.95HKP Cleaning Brush for HK91 and HK G3 Barrel Flutes 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a HK G3 or HK91-style firearm. If the flutes become clogged or dirty,...HKP-22317$19.95 -
HK MR556 A4 Upper Receiver Kit - 16.5″ - 5.56 - M-LOK
H&K Heckler & Koch
$2,449.95H&K MR556 A4 16.5″ 5.56 M-LOK Upper Receiver Kit This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod...HKP-21909$2,449.95