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 P2000, USPC Magazine Spring - 12 Round - .40 S&W
H&K Heckler & Koch
$5.95HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies. Compatible With: HK P2000 .40 S&W 12-round...HKP-01481$5.95 -
HK P2000, USPC Magazine Extension - +5 - .40 S&W
HKP HK Parts
$49.95HKP +5 .40 S&W Magazine Extension for HK P2000 and HK USPC HK Parts magazine extension +5 adds 5 additional rounds to the HK P2000, 12 round magazine. It uses the existing mag body, spring, and follower. Just slide the magazine extension on and...HKP-18644-M$49.95 -
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 -
Out Of Stock
HK MR556, MR762 A4 Safety Lever - Left
H&K Heckler & Koch
$12.95H&K MR556/MR762 A4 Safety Lever - Left Left-side selector lever for MR-series ambidextrous safety systems. Compatible With: HK MR762 A1/A4 HK MR556 A1/A4HKP-21965$12.95 -
HK45C, USPC Magazine Extension - +7 - .45 ACP
HKP HK Parts
$59.95HKP +7 .45 ACP Magazine Extension for HK 45C and HK USPC HK Parts magazine extension +7 adds 7 additional rounds to the HK45C, 8 round magazine. Each unit can then be fully assembled into a 15 round HK45C magazine. Ideal for competitive shooters,...HKP-21807-M$59.95 -
HK91, G3, PTR91 2 Point Leather Sling - Dark Brown
HKP HK Parts
$49.952 Point Leather Sling - Dark Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan and made in the USA. Made from quality USA...HKP-20271$49.95 -
HK VP9SK EDC Tactical Magwell
HKP HK Parts
$59.95HKP HK VP9SK EDC Tactical Magwell Low profile, every day carry magwell for the HK VP9SK pistol. The low profile mag-well is designed for the average every day VP9SK owner. That would like the enhancements and competitive advantage a magwell offers...HKP-18164-M$59.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Front Folding Sight - 33mm
H&K Heckler & Koch
$149.95Heckler and Koch's 33mm Front Folding Sight for HK416, MR556, HK417, MR762 HK416 Or HK MR556 Front Folding Sight. This item attaches directly to the front gas block of the HK 416, HK MR556 or HK MR762, HK417. Designed to be used in conjunction with -...HKP-02548$149.95 -
HK MP5K, SP5K Trigger Housing - SEF Universal - 9mm
H&K Heckler & Koch
$199.95H&K Heckler and Koch 9mm SEF Trigger Housing for HK MP5K and HK SP5K A one size fits all approach for the MP5K and SP5K style semi-auto shelf. This is the best option for MP5K and SP5K receivers. Easily interchange the lower trigger group assembly...HKP-20557$199.95 -
Out Of Stock
HK VP9, VP9L, Match International Holster - RH
Comp-Tac
$79.95Comp-Tac HK VP9, VP9L & Match International Holster - Right Hand One holster to fit your entire VP9 button collection, including your VP9 Match. Comp-Tac has worked with HK Parts to develop a flexible holster to fit your needs- whether you have the...HKP-20200$79.95 -
On Sale
HK VP9, P30L Dynamic Pistol Rest
Now: $119.95Was: $199.95USA 1Shot GS Dynamic Pistol Rest - 1SHOT Systems - HK VP9 and P30 Series Pistols Features: Not permanently attached—your grip alone keeps them connected Grip rests securely in the cupped pocket controlled by the firing hand Not classified as...HKP-20525Now: $119.95Was: $199.95 -
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 project or rebuild. Compatible With: HK trigger...HKP-20315$13.95