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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
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...$59.95 -
Out Of Stock
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...$97.95 -
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,...$19.95 -
HK Cheek Piece
AC-Unity
$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...$39.95 -
HK G36 Magazine - 30 Round - 5.56 / .223
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...$124.95 -
HK MP5, MP5K Optic Mount - Extended Claw - Picatinny
UTG PRO
$64.95UTG HK MP5/MP5K Claw Mount - Extended Picatinny UTG Pro Claw Mount for MP5 and MP5K pattern firearms featuring UTG's patented receiver locking interface. Each U.S. made mount features an extended Picatinny rail, lightweight matte black...$64.95 -
Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange
Blitzkrieg Components
$56.99Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The bright orange chevron stripe offers...$56.99 -
HKP/HK 17 Round HK Mark 23/USP .45 ACP Complete Magazine
HKP HK Parts / Heckler & Koch
$119.95HKP/H&K 17 Round HK Mark 23/USP .45 ACP Complete Magazine Each mag comes fully assembled and ready for use. HK Parts takes an existing German HK 12 round mag coupled with the +5 mag extension and assembles them into a complete 17 round mag. What you...$119.95 -
HK91, G3, PTR Magazine - 20 Round - Steel - Surplus
H&K Heckler & Koch
$19.95H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus: HK German 20 Round Steel Magazine Used - Surplus Condition Used German manufacture all steel magazine. They range from Fair to VG shape. Each magazine is a bargain for what you get...$19.95 -
On Sale
GSG HK MP5 .22LR Magazine Clamp
GSG German Sports Guns
Now: $11.21Was: $29.95HK MP5 .22LR - Magazine Clamp Each HK-style mag clamp is made of steel and is the highest quality aftermarket magazine clamp ever made. Holds two magazines together for tactical use and faster mag changes. Available exclusively at HK...Now: $11.21Was: $29.95 -
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...$4.95 -
HK MP5, HK91, G3, HK33, HK93 Optic Mount - Windowed
MFI
$124.95MFI HK G3, 91, 93, 33 PTR & MP5 Scope Mount - Windowed This model is the same as the best-selling low-profile mount, only with added windows for extra weight savings and a viewing window to see the serial numbers on the MP5/94 series of...$124.95