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
HK90 Series Stock Locking Pin - Large
MKE
Now: $5.56Was: $6.95MKE Large Push Pin for your HK90 Series Stock Each large stock push pin is used to retain the stock to the receiver on the 90-series firearms. These are great replacement or spare part to keep on...HKP-21593Now: $5.56Was: $6.95 -
On Sale
HK MP5 Handguard - Suppressor Length - M-LOK
MI Midwest Industries
Now: $170.96Was: $189.95MI HK MP5 M-LOK Suppressor Length Handguard The Midwest Industries M-LOK suppressor handguard is designed to fit over your suppressor for extra protection and extending mounting options. Made in...HKP-21556Now: $170.96Was: $189.95 -
HK VP9, VP9SK, VP40 Clamping Sleeve Insert, Ejector Housing
H&K Heckler & Koch
$1.95Clamping Sleeve For Insert, Ejector Block Housing For HK VP9, VP40 This is the factory correct roll pin for holding the ejector block housing in the frame. New HK German manufacture. Compatible...HKP-16805$1.95 -
On Sale
HK Men's Shirt - Short Sleeve - Bundesadler - Black
HKP HK Parts
$12.72 - $19.95HKP Mens Short Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the...HKP-21177-M$12.72 - $19.95 -
Out Of Stock
HK416, HK417, MR556, MR762 Fixed Front Sight Assembly
H&K Heckler & Koch
$119.95H&K HK MR556/MR762/416/417 Fixed Front Sight Assembly German HK front fixed sight for use with a rear diopter style sight. It can also be used on some other Ar-15/M-16 applications. Complete with all...HKP-00025$119.95 -
On Sale
HK MP5, HK94 Recoil Rod Assembly - US
USA
Now: $30.37Was: $37.95HK MP5, SP5, & HK94 Recoil Rod Assembly - Complete And Micro-Polished All stainless steel rods and ends. This is a great item to have on hand as a spare part. Compatible With:HKP-02168Now: $30.37Was: $37.95 -
HK MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin
H&K Heckler & Koch
$499.95HK German MP5 SEF Navy Style F/A Trigger Group Complete - Used Each trigger group is comprised of genuine Heckler & Koch products Includes: German full auto trigger pack with all F/A inteHKP-18094-PP$499.95 -
HK USP, USPT Magazine Extension +5 - 9mm
HKP HK Parts
$31.84 - $49.95HKP HK Parts 9mm +5 Magazine Extension for HK USP and HK USP Tactical This part is made in the USA out of aircraft grade hard coat anodized aluminum & steel hardware. Ultra-low profile & rock solid...HKP-21109-M$31.84 - $49.95 -
HK416, MR556, MR762 Trigger Guard Pin
H&K Heckler & Koch
$9.95HK MR556 & HK 416 Trigger Guard Retaining Pin Compatible With: HK 416 HK MR556HKP-02678$9.95 -
HK MP5 Sling Clip Rivet Set - 3 Rivets
HKP HK Parts
$7.89HKP MP5 Sling Clip Rivet Set - 3 Rivets Factory correct MP5 sling clip rivet set (includes a set of 3 rivets). This is the factory correct rivet set to attach the HK sling clip to the left hand side...HKP-17003$7.89 -
HK MP5 Recoil Guide Rod Rivet - Used
H&K Heckler & Koch
$0.48H&K German Recoil Guide Rod Rivet-Used This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. Compatible With:HKP-16985$0.48 -
On Sale
HK USP Full Size Optic Plate - Trijicon RMR / SRO, Holosun 407C / 507C - Red Dot Pistol Mount
Evolution Gun Works
Now: $44.96Was: $49.95Evolution Gun Works HK USP Full Size Trijicon RMR-SRO, Holosun 407C-507C Mount Includes: Mounting hardware Features:HKP-20042Now: $44.96Was: $49.95