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 VP9, OR International Holster - Button Comp Carry
Comp-Tac
$50.97 - $79.95Comp-Tac HK VP9/OR International Button Comp Carry Holster At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight,...HKP-20053-M$50.97 - $79.95 -
HK VP9SK, P30SK Magazine with Finger Rest - 15 Round - 9mm
HKP HK Parts
$79.95HKP HK Parts 15 Round Magazine with Black Finger Rest for HK VP9SK and HK P30SK New German VP9SK, P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK...HKP-20568$79.95 -
Out Of Stock
HK VP9, P30, HK45 Optic Plate Kit - Trijicon RMR, SRO - Red Dot Pistol Mount
Trijicon
$124.95Trijicon HK VP9/P30/45 RMR Pistol Mount Trijicon manufactured RMR mount to allow the use of an RMR to replace the rear sight on HK pistols. Compatible With:HKP-17336$124.95 -
HK Pistol Field Cleaning Kit - .40 S&W
H&K Heckler & Koch
$49.95H&K HK .40 S&W Pistol Field Cleaning Kit This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Each Kit Includes The Following Parts:HKP-01483$49.95 -
HK USP Pistols Trigger Bar
H&K Heckler & Koch
$44.95HK USP Pistols Trigger Bar Compatible With: USP 9mm USP .40 USP .45HKP-01933$44.95 -
Out Of Stock
HK MR556 Upper Receiver Kit -16.5" - M-LOK
H&K Heckler & Koch
$1,779.95New HK Factory German MR556 Upper Kit with M-LOK forearm Includes: Complete MR556 upper receiver with M-LOK forearm MR556 Bolt group Complete Tungsten FilledHKP-17366$1,779.95 -
HK416 Compensator Flash Hider - Threaded 1/2x28
H&K Heckler & Koch
$39.95Heckler and Koch 5.56 / .223 Compensator Flash Hider - Threaded 1/2x28 Threaded 1/2x28 for use on all HK416, MR556 and other AR style applications. Compatible With: HK416, MR556, MR223HKP-16926$39.95 -
Out Of Stock
HK91, G3 Locking Piece - 45 Degree
PTR
$21.9545 Degree Locking Piece - US Made PTR standard 45 degree locking piece made in the USA by PTR and is design to be a direct replacement for all .308 HK style firearms. Compatible With: G3HKP-18518$21.95 -
HK91, G3 Fixed Buttstock, Complete with Enhanced Heavy Buffer - Surplus
H&K Heckler & Koch
$269.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts...HKP-16269$269.95 -
HK91, G3 Trigger Group - 5 U.S. 922 Parts
PTR
$369.95HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all...HKP-02643$369.95 -
HK G3 Parts Kit - FMP - HK Contract
H&K Heckler & Koch
$299.95Heckler and Koch Contract Portuguese FMP Surplus Parts Kit for HK G3 7.62 X 51mm / .308 Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a...HKP-17694$299.95 -
HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum...HKP-15792$49.95