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 VP40, P30, P30L Magazine - 13 Round - .40 S&W
H&K Heckler & Koch
$49.9513 Round S&W Magazine New HK German manufacture & factory fresh manufacture. Compatible With: HK VP40, VP40 Tactical HK P30 HK P30L HK P30S HK P30SK Please Note: This will also fit the USPC & P2000/P2000SK .40 cal models but will...HKP-01474-M$49.95 -
On Sale
HK Cheek Piece
AC-Unity
Now: $34.95Was: $39.95AC-Unity HK Cheek Piece New production HK cheek piece for your fixed stock on your G3, HK91, PTR91, HK33, HK94, MP5 or HK94 rifle. Works on all HK style fixed stocks that have push pin retainer bushings in the stock. This will give you the proper cheek...HKP-20153Now: $34.95Was: $39.95 -
HK VP9, P30 Magazine Floorplate Extension - 9mm, .40 S&W
HKP HK Parts
$24.95HKP HK Parts 9mm Magazine Extension Floorplate for HK VP and HK P30 Extended baseplate that adds about .30" in length to the bottom of the magazine and replaces the stock floor plate on the VP9/P30 & VP9SK, P30SK magazine. The extended length...HKP-17631-M$24.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Pistol Grip with Storage
H&K Heckler & Koch
$59.99H&K Heckler and Koch Battle Grip with Storage for HK416, HK MR556, HK417, HK MR762, and HK G28 HK German V7 factory battle grip with storage compartment incorporated in the grip base. Compatible With: HK416, HK416-A5, MR556 HK417, HK MR762 HK...HKP-17678$59.99 -
HK G36 Magazine - 30 Round
H&K Heckler & Koch
$124.95HK German G36 30 Round Magazine HK German 30-round magazine, designed to perfectly fit all G36, G36K, and G36C variants, as well as converted SL8's with the G36 magwell. These are brand-new, top-quality magazines straight from the factory. Keep in mind...HKP-00624$124.95 -
HK Mount for Aimpoint, HoloSun, Sig Romeo 5
Botach Tactical
$59.95Battle Steel HK Mount for Aimpoint, HoloSun, & Sig Romeo 5 The lowest mounting solution for HK MP5/HK33/HK53 firearms for the Aimpoint T-1/T-2 mounting style optics. Delivers an absolute co-witness for all Aimpoint Micro, Sig Romeo 5, & HoloSun...HKP-19529$59.95 -
GSG-5, GSG5PK Magazine Spring - .22LR - 22 Round
GSG German Sports Guns
$4.95GSG 22 Round GSG-5 .22LR Magazine Spring A must-have replacement spare part as the mags are used or stored. Perfect for those who have weak feeding Promag GSG mags, as these mag springs will help get the mags running as they should. Compatible...HKP-14548$4.95 -
HK VP9 Series Trigger Pull Spring Set
Lazy Wolf
$19.95Lazy Wolf Guns Duty/Defensive Carry Enhanced Trigger Pull Spring Kit Based on the Lazy Wolf Guns Design. We now have an intermediate drop in set of springs for the utmost in performance and reliability in ALL VP9 family pistols. Defensive carry,...HKP-19515$19.95 -
Out Of Stock
HK417, MR762 Magazine - 20 Round - RAL8000
H&K Heckler & Koch
$66.95Heckler and Koch 20 Round HK MR762 and HK417 7.62/.308 Magazine - RAL 8000 Genuine HK 20 round magazine. Factory fresh & hard to find. This is the highest magazine capacity available for the HK MR762 and HK417 family of firearms. Compatible...HKP-18608$66.95 -
HK MP5, HK90 Series Pinned Hammer - Full Auto
H&K Heckler & Koch
$29.95Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. With the proper hole on the hammer to pin the strut in place. This hammer is the hammer that is most commonly...HKP-18305$29.95 -
HK MP5 .22 Optic Mount - Minimalist - Picatinny Rail
HKP HK Parts
$97.95HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount Our new picatinny style optic mount is a game changer for those that want to have a minimalist look on their MP5 .22. You can have a picatinny rail with out having to compromise all the real estate...HKP-21369$97.95 -
HK MP5, G3, HK53 Flat Trigger - Enhanced
HKP HK Parts
$49.95HKP 90 Series Flat Trigger - Enhanced With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series trigger. Each enhanced flat trigger will fit all 0,1 & SEF & Navy style trigger packs. Each trigger counts as...HKP-18364$49.95