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 VP9, P30, HK45 Optic Plate - Votex Viper, Venom, Burris Fastfire - Red Dot Pistol Mount
HKP HK Parts
$49.95HKP HK Parts Optic Mount for Red Dot Sights for your HK VP9, HK P30, and HK45 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...HKP-18507$49.95 -
HK SEF Long Axle Selector Lever - LIKE NEW
H&K Heckler & Koch
$32.95H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...HKP-21338$32.95 -
Out Of Stock
B&T Vertical Foregrip - Short Style - Quick Detach
B&T Brugger & Thomet
$75.00B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...HKP-17679$75.00 -
HK MP5K, SP5K Folding Stock with HKP Adapter - UMP Style
B&T Brugger & Thomet
$297.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock H&K German polymer folding stock with a B&T adapter for HK MP5K. 100% Swiss and German HK made. This is a military grade stock. B&T Switzerland has supplied these to law enforcement and...HKP-16944$297.95 -
HK90 Series 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 towerHKP-17580$19.95 -
HK P30L Compensator - MOD 1
HKP HK Parts
$179.95HK Parts MOD 1 Compensator: H&K P30L The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you back on target quicker. Each MOD 1 comp includes...HKP-21221$179.95 -
Out Of Stock
HK VP9 Micro Comp - Vented - Threaded 13.5x1 - Left Hand
HKP HK Parts
$29.95HKP 9mm Vented Micro Comp - Threaded 13.5x1 LH The HK Parts Micro Comp & Thread Protector is designed to be lightweight and functional both as a compensator and thread protector. This light weight micro comp can easily attache to the end of any...HKP-19720$29.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - RAL8000
H&K Heckler & Koch
$84.95New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Factory Heckler & Koch 9mm, 30-round magazine finished in RAL8000. These magazines are painted by the factory in Germany. Compatible With: MP5,...HKP-19354$84.95 -
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 ...HKP-00315$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...HKP-01748$39.95 -
HK MP5, HK33, HK53, HK93 Housing - SEF Navy Style - Polymer - Push Pin - LIKE NEW
H&K Heckler & Koch
$99.95H&K Heckler and Koch LIKE NEW SEF Navy Style Polymer Housing Push Pin for HK MP5, HK33, HK53, HK93 9mm and 5.56 / .223 Perfect upgrade for your older SEF contoured trigger pack or to dress up your HK firearm. Specifications: Push Pin Made In...HKP-19892$99.95 -
HK91, G3 Wood Buttstock - Surplus
H&K Heckler & Koch
$119.95HK German G3, 91, & PTR Wood Stock Complete - USED These stock sets were in use with the German military and are used in varying degrees of condition, ranging from good to very good shape overall. These are rare and are getting harder to...HKP-02554$119.95