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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On Sale
HK VP9 Optic Plate #5 - Burris FastFire, Vortex Viper / Venom - Red Dot Pistol Mount - Steel
HKP HK Parts
Now: $22.46Was: $49.95HK VP9 #5 Optics Plate for Burris FastFire Steel VP9 optic plate to mount the Burris FastFire. Made in the USA. Compatible With: Burris FastFire 2 & 3, Vortex Viper aHKP-19544Now: $22.46Was: $49.95 -
Out Of Stock
Gear Head Works Tailhook Mod 1 - FDE
Gear Head Works
$159.95Gear Head Works Tailhook Mod 1 - FDE We start with a solid piece of billet aluminum and meticulously machine every aspect for a part that is as nice to look at as it is to use. This version clamps to...HKP-19541$159.95 -
HK VP9, VP40 Backstrap - Medium - Black
H&K Heckler & Koch
$29.95H&K VP9, VP40 Backstrap - Medium - Black New HK German manufacture. Compatible With: HK VP9 HHKP-16813$29.95 -
HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus
H&K Heckler & Koch
$249.95HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all...HKP-01998$249.95 -
On Sale
HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm
HKP HK Parts
Now: $73.28Was: $114.95HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points...HKP-18796Now: $73.28Was: $114.95 -
On Sale
HK MP5, MP5K Rear Sight Base - Billeted
HKP HK Parts
Now: $11.44Was: $17.95HKP HK Parts Billeted Rear Sight Base - Weldment for HK MP5 and HK MP5K All steel HK MP5, MP5K billeted rear sight base. The most correct MP5, MP5K rear sight base available. The only billeted...HKP-18087Now: $11.44Was: $17.95 -
HK MP5, SP5K Magazine Unloader - 9mm
H&K Heckler & Koch
$109.95H&K Heckler and Koch MP5/SP5 9mm Magazine Unloader HK MP5 German Magazine Unloader for MP5, SP5, and HK94 9mm magazines. This part is compatible with the 30, 15, and 10-round factory magazines.HKP-00085$109.95 -
HK CC9 Grip Module
H&K Heckler & Koch
$92.95Heckler and Koch CC9 Grip Module Factory replacement grip module for the CC9 pistol. Professionally Cerakoted to match factory HK colors. Includes both standard and large backstraps. Compatible...HKP-22710-M$92.95 -
HK MP5, MP5K, AP5, AP5-P Rear Sight Drum
MKE
$32.95MKE AP5, AP5-P, HK MP5, MP5K Rear Sight Drum This rear sight drum is manufactured by MKE for AP5 and AP5-P firearms and fits MP5 and MP5K pattern rifles and pistols. It is commonly used as an upgrade...HKP-22490$32.95 -
HK91, G3 Barrel Flute Cleaning Brush - 7.62x51 / .308
HKP HK Parts
$19.95HKP Cleaning Brush for HK91 and HK G3 Barrel Flutes 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a HK G3 or HK91-style firearm. If the flutes become clogged or dirty,...HKP-22317$19.95 -
HK CC9 Complete Magazine - Extended Pinky Rest - 9mm - 10 Round
HKP HK Parts
$82.95HKP CC9 10 Round 9mm Complete Magazine w/ Extended Pinky Rest This magazine starts with a factory German 10-round CC9 mag, expertly enhanced by the HK Parts extended pinky rest floor plate featuring...HKP-22277-M$82.95 -
HK USPC, HK45C Magazine - 15 Round
HKP HK Parts
$119.95HKP HK Parts 15 Round .45 ACP Magazine for HK 45C and USPC HK Parts +7 magazine extension boosts the HK45C 8-round mag to a full 15 rounds. Fully assembled and factory fresh, it's perfect for...HKP-22207-M$119.95