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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Out Of Stock
HK 3 Round Count Burst Wheel for 4 Position Trigger Packs
H&K Heckler & Koch
$127.95H&K 3 Round Count Burst Wheel For 4 Position Trigger PacksHKP-01639$127.95 -
HK416, MR556 Magazine Catch
H&K Heckler & Koch
$61.95Heckler and Koch Magazine Catch for HK416 and HK MR556 New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms. Compatible With: HK416, MR556HKP-15458$61.95 -
HK21 Ammunition Belt with Starter Tab - 100 Round - DM1
H&K Heckler & Koch
$59.95H&K HK21 DM1 100 Round Belt with Starter Tab - 7.62x51/.308 Custom 100 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just isn't enough! Compatible With: HK21 <HKP-21890$59.95 -
On Sale
HK VP9SK Holster - DCH Comp Carry
Comp-Tac
$50.97 - $79.95Comp-Tac HK VP9SK DCH Comp Carry Holster The dual concealment holster, or the "DCH", is the best solution for users who need versatility in their carry methods. This holster offers both IWB...HKP-20072-M$50.97 - $79.95 -
Out Of Stock
PTR Chevron Front Sight - Gen 2 - Orange
Blitzkrieg Components
$56.99Blitzkrieg PTR Chevron Front Sight Gen 2 - OrangeHKP-20453$56.99 -
HK MP5, HK90 Series Pinned Hammer Strut
HKP HK Parts
$13.95HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut New USA hammer strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a pinned hammer spring shank. Perfect for your HK...HKP-20315$13.95 -
Out Of Stock
HK416, MR556 Receiver End Plate
H&K Heckler & Koch
$24.95HK 416, MR556 End Plate For Receiver & Buffer Tube New HK German manufacture. Compatible With: HK MR556 & HK 416 upper receiver/buffer tubesHKP-16603$24.95 -
HK MP7, G36, SL8 Gas Block Pin
H&K Heckler & Koch
$8.95H&K HK G36/SL8/MP7 Gas Block Pin The G36/SL8/MP7 gas block pin is the largest out of HK's line up (UMP/USC, 415/MR556, 417/MR762).HKP-16727$8.95 -
HK91, G3, HK33, HK53, HK93 Muzzle Protector Cap
H&K Heckler & Koch
$5.95H&K 93/53/33 & G3/91 5.56/.223 & 7.62x51/.308 Muzzle Protector Cap This cap covers the barrel end or flash hider to prevent debris, water, etc., from entering the barrel. The cap can be removed by...HKP-13959$5.95 -
HK MP5, HK90 Series Trigger Pack Hammer - Universal
HKP HK Parts
$96.95HKP HK Parts Hammer for HK90 Series Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used...HKP-00377$96.95 -
On Sale
Glock 19 Magazine Parts Replacement Kit
HKP HK Parts
Now: $5.96Was: $15.95Glock 19 Magazine Parts Replacement Kit Includes: 9 round coil spring Locking plate Floor plate.HKP-20854Now: $5.96Was: $15.95 -
Out Of Stock
HK416, MR556 Takedown Pin - Front - A1 Style
H&K Heckler & Koch
$64.95H&K HK MR556 Front Lower Receiver Locking Pin With Spring Loaded Detent This part is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of...HKP-02663$64.95