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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HK91, G3 Firing Pin Spring - Used
H&K Heckler & Koch
$4.95H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used This is a common repair and replacement item. Grab one for a spare, just in case.HKP-16711$4.95 -
Thread Protector - 9mm - 13.5x1 LH - US
HKP HK Parts
$19.95HKP 9mm Thread Protector - Threaded 13.5x1 LH This threaded barrel protector fits all HK 9mm threaded barrels that are 13.5x1 metric LH twist. Specifications: Overall Length .45" Outside Diameter .62" Threaded 13.5x1 LH Compatible With: HK VP9,...HKP-22324$19.95 -
HK33, HK53, HK93, MP5 A2 Fixed Stock
H&K Heckler & Koch
$139.95H&K 93,33,53 and MP5 A2 Fixed Stock This H&K G3 stock section and buttpad combo is designed to enhance the functionality and comfort of your HK 93,53 and MP5 firearm. The stock section provides improved strength and stability, while the...HKP-21818-M$139.95 -
Muzzle Device Shim Kit - 1/2x28
Rugged Suppressors
$9.95Rugged Suppressors Muzzle Device Shim Kit - 1/2x28 This kit includes 3 varying thickness shims to time your muzzle device to your desired orientation. Compatible With: HK MP5/K HK 416/MR556/MR223 HK G36/SL8 B&T TP9/MP9 B&T...HKP-21455$9.95 -
HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider
B&T Brugger & Thomet
$99.95B&T HK UMP (.40 S&W & .45 ACP) Birdcage Flash Hider B&T muzzle brake/flash hider birdcage style with quick detach lever for HK UMP .40 S&W & .45 ACP. Swiss made B&T quick detach flash hider for HK UMP .40 and .45ACP...HKP-16890$99.95 -
HK USC, UMP .45 Flash Hider - 3 Lug
B&T Brugger & Thomet
$165.00B&T HK USC/UMP .45 Flash Hider - 3-Lug B&T Switzerland has supplied these to law enforcement and military units around the world. Rock solid, mil-spec quality from an H&K OEM manufacturer. This flash hider slips over the end of the 3-lug...HKP-18346$165.00 -
HK VP9B Push Button Mag Release Tool
H&K Heckler & Koch
$17.99Push Button Mag Release Disassembly Tool - HK VP9 B The factory HK OEM tool used to change the left to right mag release button of the VP9B models. Compatible With: HK VP9B NOT compatible with VP9A1 F, VP9A1 KHKP-19747$17.99 -
HK VP9, P30, HK45C HD Night Sight Set - Yellow
Trijicon
$169.95Trijicon HK VP, P30, HK45C HD Night Sight Set - Yellow The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set front sight features a taller blade and an aiming point ringed in...HKP-14558$169.95 -
HK P30L Recoil Rod Assembly - Complete
H&K Heckler & Koch
$97.95Heckler and Koch Complete Recoil Rod Assembly for HK P30L 9mm Genuine German HK recoil rod assembly for the P30L 9mm. A fresh factory recoil spring restores proper cycling and ensures the pistol functions to original HK specifications. Compatible...HKP-02485$97.95 -
HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip
H&K Heckler & Koch
$29.95H&K HK MR556/416/MR762 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Compatible With: HK MR556 HK 416 HK MR762 Please Note: Does not fit for the HK416 .22LR models**HKP-15251$29.95 -
HK91, G3 Fixed Stock Complete with Enhanced Heavy Buffer - Black
HKP HK Parts
$279.95New HK91, G3, PTR-91 U.S Made (PTR-91 Manufactured) Fixed Stock with Enhanced Buffer Installed Made from all German & U.S. made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one U.S. compliant...HKP-18937$279.95 -
Out Of Stock
HK MP5SD Rubber Handguard
H&K Heckler & Koch
$229.95New HK German MP5SD Rubberized Steel Handguard HK discontinued this handguard but our HK Parts version is available here.HKP-00136$229.95