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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HK P30SK Holster - Infidel Ultra Max
Comp-Tac
$60.53 - $94.95Comp-Tac HK P30SK Infidel Ultra Max Holster The Infidel Ultra Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at...HKP-17518-M$60.53 - $94.95 -
HK Pistol Field Cleaning Kit - .40 S&W
H&K Heckler & Koch
$49.95H&K HK .40 S&W Pistol Field Cleaning Kit This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Each Kit Includes The Following Parts:HKP-01483$49.95 -
HK USP Pistols Trigger Bar
H&K Heckler & Koch
$44.95HK USP Pistols Trigger Bar Compatible With: USP 9mm USP .40 USP .45HKP-01933$44.95 -
Out Of Stock
HK MR556 Upper Receiver Kit -16.5" - M-LOK
H&K Heckler & Koch
$1,779.95New HK Factory German MR556 Upper Kit with M-LOK forearm Includes: Complete MR556 upper receiver with M-LOK forearm MR556 Bolt group Complete Tungsten FilledHKP-17366$1,779.95 -
Out Of Stock
HK91, G3 Locking Piece - 45 Degree
PTR
$21.9545 Degree Locking Piece - US Made PTR standard 45 degree locking piece made in the USA by PTR and is design to be a direct replacement for all .308 HK style firearms. Compatible With: G3HKP-18518$21.95 -
On Sale
HK91, G3 Trigger Group - 5 U.S. 922 Parts
PTR
Now: $332.96Was: $369.95HK 91, G3, & PTR91 Semi Auto Trigger Group Complete This lower is ready to drop on your semi-auto HK firearm. It comes complete with the US-made parts already installed. The remaining parts are all...HKP-02643Now: $332.96Was: $369.95 -
HK G3 Parts Kit - FMP - HK Contract
H&K Heckler & Koch
$299.95Heckler and Koch Contract Portuguese FMP Surplus Parts Kit for HK G3 7.62 X 51mm / .308 Each parts kit comes complete with all parts from a functional HK G3 full auto rifle that was demilled into a...HKP-17694$299.95 -
HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum...HKP-15792$49.95 -
HK MP5 Extractor - .40 S&W, 10mm, .357 SIG
H&K Heckler & Koch
$69.95H&K Heckler and Koch New Latest Production 1.4mm Extractor for HK MP5 .40, 10mm, .357 This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many...HKP-00410$69.95 -
On Sale
HK MP5 Barrel - 9mm - 8.85" - 3 Lug
RCM
Now: $134.96Was: $149.95RCM HK MP5 9mm Barrel - Non-Threaded 3-LugHKP-02040Now: $134.96Was: $149.95 -
HK416, MR556, HK417, MR762 Folding Rear Sight - 3mm
H&K Heckler & Koch
$344.95Heckler and Koch 3mm Flip Up Rear Sight for HK416, MR556, HK417, MR762 HK factory quick-release flip-up rear sight for MR556, MR762, HK416, and HK417 platforms. This rear sight attaches directly to...HKP-01405$344.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Cocking Handle - Skeletonized
HKP HK Parts
Now: $39.17Was: $48.95HKP HK MP5, MP5K Skeletonized Cocking Handle HKP skeletonized cocking handle for HK MP5 and MP5K pattern firearms. The knurled profile provides increased surface area for improved charging control...HKP-22865Now: $39.17Was: $48.95