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 VP9SK Grip Wrap for Small Backstraps - Rubber
Talon Grip
$19.99TALON Grip - H&K VP9SK - Rubber Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20260$19.99 -
HK91, G3 PTR Fixed Stock Complete with Enhanced Heavy Buffer - Surplus - Black
H&K Heckler & Koch
$349.95German G3, 91, PTR Stock complete with Enhanced Heavy Buffer - Surplus Used black German stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts...HKP-20069$349.95 -
On Sale
HK MP5 Parts Kit - Reverse Stretch - 10mm
HKP HK Parts / Heckler & Koch
Now: $1,749.95Was: $1,889.95MP5 10mm Reverse Stretch Pistol Build Kit Complete German & USA Made Parts ON SALE WHILE SUPPLIES LAST! MP5 10mm Reverse Stretch parts kit complete with all the parts needed for an MP5 10mm semi-auto pistol. Each kit comes with all 6 of the needed US...HKP-19818Now: $1,749.95Was: $1,889.95 -
HK416, MR556 Vertical Grip - AR - Moe K2
Magpul
$22.95Magpul Moe K2 AR Grip Similar in concept to the MOE-K, the MOE-K2 is a drop in upgrade for AR15/M4's that offers a more vertical grip angle, but in a full-size grip design. The steeper vertical grip angle is optimized for use on PDW (Personal Defense...HKP-19567$22.95 -
HK VP9 Holster Series - Blue Duty - No Light
Comp-Tac
$135.95Comp-Tac HK VP9 Blue Duty Holster Series No Light The Blue Duty Holster Series No Light is Comp-Tacs answer to customers who want to carry a weapon with a red-dot optic in a level 2 holster. The thumb-release bale is designed to work with...HKP-19448-M$135.95 -
HK VP9, VP40 Grip Panel Right Side - Large - Gray
H&K Heckler & Koch
$24.95H&K VP9, VP40 Grip Panel Right Side - Large - Gray New HK German manufactured. Right side, large size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40HKP-18124$24.95 -
HK VP9, VP40 Grip Panel Left Side - Small - OD Green
H&K Heckler & Koch
$24.95H&K VP9, VP40 Grip Panel Left Side - Small - OD Green New HK German manufactured. Left side size small. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18835$24.95 -
Out Of Stock
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 Trigger - Geissele SSF
Geissele
$489.95HK417 SSF Trigger- Geissele The Geissele Super Select-Fire (SSF) HK417 trigger is a select-fire combat trigger that Geissele Automatics developed for the U.S. Special Operations Community. The HK417 SSF is a non-adjustable combat style two-stage trigger...HKP-16478$489.95 -
HK45 Compact LEM Hammer Spring
H&K Heckler & Koch
$9.95Hammer Spring For HK 45C LEM Models This hammer spring is the factory correct LEM hammer spring for the HK45C and HK45CT. This is the spring needed to use any other variant of LEM kit to be complete to be used on the HK45C pistol. This is also a great...HKP-15789$9.95 -
HK Mark 23 Roll Pin Right Safety Lever
H&K Heckler & Koch
$7.95HK Mark 23 Roll Pin Right Safety Lever New HK German nickel plated 1.5 X 9mm roll pin to hold the right side of the selector lever to the axle of the left side control lever. Compatible With: HK Mark 23 HK SOCOM .45HKP-01813$7.95 -
HK P30L .40 S&W Complete Recoil Assembly
H&K Heckler & Koch
$109.95HK P30L .40 S&W Complete Recoil Assembly A genuine German Heckler & Koch part. Spare recoil assemblies are a great help to keep the pistol functioning as it was designed. Compatible With: HK P30L .40.HKP-02436$109.95