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, P30SK Magazine - 9mm - 12 Round - Extended Floorplate
H&K Heckler & Koch
$54.95H&K HK 12 Round VP9SK/P30SK 9mm Extended Floorplate Magazine New factory HK 12 round magazine for VP9SK & P30SK 9mm. HK's magazine is made to their specifications and tolerances using high quality materials that provide perfect fit,...$54.95 -
HK MP5K, HK SP5K, B&T UMP Folding Stock
B&T Brugger & Thomet
$297.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock B&T polymer folding stock with adapter for HK MP5K. 100% Swiss & German HK made. This is a military grade stock. B&T Switzerland has supplied these to law enforcement and military units...$297.95 -
HKP Cocking Tube End Cap-Steel
HKP HK Parts
$19.95Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight tower$19.95 -
HK VP9, P30, HK45 Optic Plate - Votex Viper / Venom, Burris Fastfire - Red Dot Pistol Mount
HKP HK Parts
$49.95HK VP9, P30, HK45 Optic Mount for Red Dot Sights Optic mounting plate for HK pistols without optic cut slides. The mount wedges into the rear sight dovetail slight to provide a solid mounting platform for Burris FastFire, Docter, Vortex Viper and...$49.95 -
HK USPC, P2000, P2000SK Magazine - 9mm - 10 Round - Flat Floorplate
H&K Heckler & Koch
$49.00HK USPC, P2000 Magazine - Flat Floorplate - 9mm - 10 Round This HK Heckler and Koch magazine is must have addition for your firearm. Features: Flush or flat floor plate perfect for concealed carry Holds up to ten rounds Compatible With: HK USP Compact...$49.00 -
HK VP9, VP9L, VP9SK Night Sights - Suppressor Height - Orange
XS Sights
$137.95Minimalist Orange - HK VP9, VPL, VP9SK Optics Ready Suppressor - Tritium Night Sights - XS Sights XS Minimalist sights for HK VP9 OR (Optics Ready) pistols are regulated to be lower 1/3 co-witness on Trijicon RMR and Holosun 507 optics. The sights are...$137.95 -
HK USP Magazine - Extended -10 Round - .45 ACP - Pinky Rest
H&K Heckler & Koch
$49.00H&K 10 Round HK USP .45 ACP Extended Magazine w/ Pinky Rest Perfect for the states that require 10-round magazines or for those that compete & require a 10-round-only magazine. Compatible With: HK USP .45 HK USP Tactical .45 HK USP Expert ...$49.00 -
HK416, Colt M4 Magazine - .22LR - 20 Round
Walther / Umarex
$39.95HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Each magazine is the factory OEM magazine for all of the models above. Brand new factory fresh. This magazine is the perfect balance of magazine capacity size and fitment to the firearm...$39.95 -
HK German Recoil Guide Rod Rivet
H&K Heckler & Koch
$9.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...$9.95 -
HK P2000 to HK P30, VP9 Magazine Adapter
X-Grip
$15.95X-Grip HK P2000 to P30/VP9 Magazine Adapter The XGRIP P2000 is a new patent pending OEM factory accessory for the HK P2000 that enhances the versatility, look, and feel of the gun. Features: Versatility: Size of a Compact, capacity of a Full-Size The...$15.95 -
HK MP5K Vertical Foregrip - M-LOK 3 Slot Rail
H&K Heckler & Koch
$128.95H&K / Magpul HK MP5K VFG w/Magpul 3 Slot M-LOK Rail New German HK VFG for the MP5K platform is now M-LOK compatible and comes pre attached with a Magpul M-LOK 3 slot Rail. The perfect combination to install lights or lasers. M-LOK slots are...$128.95 -
HK Magazine Catch, Push Button Roll Pin
H&K Heckler & Koch
$4.95H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...$4.95