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 P9S 9mm Extractor
H&K Heckler & Koch
$79.95HK P9S 9mm Extractor This extractor is no longer manufactured and is hard to find. This is the last remaining stock that HK had in inventory. Last call for this part.HKP-01997$79.95 -
Out Of Stock
HK Mark 23 Tactical Barrel .45 ACP - 5.87" - Threaded 16x1 LH
RCM
$250.00RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 LHHKP-17443$250.00 -
HK Mark 23 Magazine Release
H&K Heckler & Koch
$24.99Heckler and Koch Magazine Release HK Mark 23 Compatible with: Mark 23HKP-01772$24.99 -
On Sale
HK45, HK UMP Flash Hider - 4 Prong - Threaded 16x1 RH
HKP HK Parts
Now: $50.97Was: $79.95HK Parts .45 ACP 4 Prong Flash Hider - Threaded 16x1 RH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for...HKP-01018Now: $50.97Was: $79.95 -
HK P30, P30L Grip Shell - Left - Small
H&K Heckler & Koch
$18.95Heckler and Koch Left Side Grip Shell - Small - Black for HK P30 and HK P30L Ideal for adjusting the custom grip for your preferred shooting comfort.HKP-01574$18.95 -
Out Of Stock
HK P30, P2000 Hammer Strut
H&K Heckler & Koch
$24.95Heckler and Koch HK P2000 and HK P30 Hammer Strut Compatible With: HK P2000 HK P30HKP-01621$24.95 -
HK G36 Optical Sight Eye Cap - Dual and Single - Rubber
H&K Heckler & Koch
$10.95HK G36 Rubber Eye Cap for Dual and Single Optic New HK German rubber to replace the worn or missing eye piece cap on all dual or single optics found on the G36 or SL8 rifles.HKP-16385$10.95 -
HK G36, SL8 Recoil Rod Assembly, Complete
USA
$39.95Recoil Rod Assembly For All - HK G36 & SL8 New G36/SL8 recoil rod assembly complete. Great for replacement or for a spare as these have been hard to find. Made in the USA. Compatible With:HKP-18539$39.95 -
HK416, MR556, G36 Barrel Chamber Cleaning Brush
HKP HK Parts
$24.95HK G36 & HK SL8 German Chamber Cleaning Brush (Cleans INSIDE Chamber) More details...HKP-00803$24.95 -
HK G36, SL8 Ejector Spring
H&K Heckler & Koch
$35.95HK G36 & SL8 Series Ejector Spring - HK German This is a great item to have on hand as this part is prone to wear and breakage.HKP-01867$35.95 -
HK MP5 Locking Roller -2 - .40 S&W
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -2 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...HKP-17563$11.95 -
HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Dark OD Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark...HKP-18933$129.95