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 Vertical Foregrip - RAL8000
H&K Heckler & Koch
$69.95H&K Vertical Foregrip - RAL 8K Each Vertical Grip features the factory HK markings & HK's unique locking system. Rotating the knob at the base of the grip to engage/disengage the Picatinny locking piece allows the user to install/remove the...HKP-17689$69.95 -
HK USP Night Sight Set - Fully Adjustable - Tactical - Green
Meprolight
$159.99Meprolight HK USP Fully Adjustable Tactical Night Sight Set - Green Meprolight Tritium night sights for HK USP pistols are fully adjustable and the recommended tactical night sight of choice. The front and rear sight have tritium green dots and a raised...HKP-01721$159.99 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote
Zenith
$38.95 - $40.95Zenith 30 Round HK MP5 Magazine Features: Cerakote finish - Many colors to choose from All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed lips High-tensile compression...HKP-20832-M$38.95 - $40.95 -
On Sale
HK VP9, P30 Magazine - 22 Round - Black or Red Follower - 9mm
HKP HK Parts
Now: $67.95Was: $79.95HKP HK Parts 22 Round 9mm Complete Magazine for HK VP9 and HK P30 Drop in magazine ready to go! HK Parts takes an existing 17 round magazine and a +5 magazine extension to assemble them into a working 22 round magazine. ***Magazines may...HKP-19295Now: $67.95Was: $79.95 -
HK MP5, HK94 Firing Pin
H&K Heckler & Koch
$49.95H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin - German Compatible With: MP5 HK94 MP5K SP89 SP5KHKP-00061$49.95 -
On Sale
Picatinny Rail for HK Receivers - 13 Slot
HKP HK Parts
Now: $41.95Was: $52.95HKP Picatinny Rail For HK Receivers - 13 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...HKP-18238Now: $41.95Was: $52.95 -
Out Of Stock
HK33, HK53, HK93 Magazine - 40 Round - 5.56 / .223, 300 BLK
H&K Heckler & Koch
$119.95HK Heckler and Koch 40 Round Professionally Refinished Magazine for HK33, HK53, HK93 HK Factory German 40 round surplus magazine that has been professionally disassembled, inspected, bead blasted, cerakoted and cured to look as close to new as possible...HKP-19797$119.95 -
HK P7 Series Cylinder Cleaning Brush
H&K Heckler & Koch
$14.95HK German P7 Series Cylinder Cleaning Brush Made by HK to make cleaning your P7 easier. A must-have for all P7 owners.HKP-00795$14.95 -
HK VP9, VP9SK, VP40 Slide Release Spring
H&K Heckler & Koch
$9.95H&K VP9/VP9SK, VP40 Slide Release Pressure Spring Pressure Spring for Slide Release HK VP9, HK VP40. Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40HKP-16788$9.95 -
On Sale
HK MP5, MP5K Front Sight Tower Assembly
HKP HK Parts
Now: $43.95Was: $54.95HKP MP5, MP5K Front Sight Tower Assembly New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the complete set...HKP-17792Now: $43.95Was: $54.95 -
AR-15 Buffer Tube - Mil-Spec
HKP HK Parts
$29.95Mil-Spec US-Made Buffer Tube Compatible With: All AR-15 style platforms Not correct length for HK rifles Features: Made from T7 7075 aircraft grade aluminum 6-position Made in the USA Each features a highly polished inside tube Black...HKP-02727$29.95 -
On Sale
HK UMP Lower - SF FBI 0,2 - Safe, Semi
HKP HK Parts
Now: $395.95Was: $495.99New HK Parts -UMP Safe, Semi FBI (0,1) Lower Each lower comes complete with 2 position settings (S, F) and all the internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Compatible With: UMP .45 UMP .40 UMP 9mm USC...HKP-00590Now: $395.95Was: $495.99