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 MP5 Parts Kit - RS Reverse Stretch - .40 S&W
HKP HK Parts / Heckler & Koch
$1,689.95HKP HK Parts and Heckler & Koch Reverse Stretch Pistol Build Kit - for HK MP5 .40 - Complete German and USA Made Parts MP5 .40 Reverse Stretch parts kit complete with all the parts needed for an MP5.40 semi-auto pistol. Each kit comes with all 6 of...HKP-19819$1,689.95 -
On Sale
HK MP5 Build Kit - 9mm - Single Shot Reverse Stretch
H&K Heckler & Koch
Now: $1,399.95Was: $1,519.95California Spec Single Shot Reverse Stretch Kit - German & USA Made Parts: This kit was built with the CA market in mind. This kit has a specially designed locking piece that once installs it renders the kit a single shot style roller lock. This kit...HKP-19698Now: $1,399.95Was: $1,519.95 -
HK VP9 Holster - Infidel Ultra - LH
Comp-Tac
$94.95HK VP9 Infidel Ultra Holster - Left Hand 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 4:00 or 5:00, this holster is a perfect easy on easy off...HKP-17489$94.95 -
HK417, MR762 Upper Receiver - Incomplete
H&K Heckler & Koch
$797.95H&K HK MR762/417 Upper Receiver - Incomplete Stripped upper receiver with threaded piston guide bushing installed. Compatible With: HK MR762 HK417HKP-16624$797.95 -
HK417, MR762 Charging Handle Plate
H&K Heckler & Koch
$19.95HK MR762, HK417 Plate For Charging Handle Compatible With: HK MR762 HK417HKP-16843$19.95 -
HK417, MR762 Rear Sight Drum
HKP HK Parts
$29.95HKP HK MR762 & HK 417 Rear Sight Drum Made in the USA.HKP-17776$29.95 -
Out Of Stock
Hogue Karma Spear Point 3.75" Flipper Blade
Hogue
$187.95HK Knives - Karma - Spear Point Blade - 3.75 Flipper HK Karma provides the utility to slice, cut, break, and wrench with confidence. This cutting tool is purposefully shaped and sized for the gloved or bare hand and can be carried or packed with ease. A...HKP-18676$187.95 -
$39.95 -
Thread Protector - .40 S&W - 9/16x24 - Titanium
HKP HK Parts
$24.95HKP .40 S&W Enhanced Titanium Thread Protector- Threaded 9/16x24 This solid titanium .40 S&W tactical thread protector is designed for barrels threaded 9/16x24. It’s an essential accessory for safeguarding your threaded barrel,...HKP-17976$24.95 -
HK45 Compact Hammer Strut
H&K Heckler & Koch
$11.95Heckler and Koch HK45 Compact Hammer Strut Replacement hammer strut designed for the HK45 Compact pistol. Intended for maintenance or repair of compatible hammer assemblies to ensure proper operation. Compatible With: HK45 CompactHKP-02217$11.95 -
Out Of Stock
HK VP9, P30, HK45 Rear Sight Set and Litewave - Green
Hi-Viz
$119.95Hiviz Litewave & Rear Sight Set - VP, P30 Green HiViz Litewave H3 Tritium/Litepipe sights combine the latest and greatest Tritium and Litepipe technology for amazing illumination in any light condition. Now you can have the best performance whether...HKP-18928$119.95 -
HK P7M8, P7M13 Front Sight 7.6mm
H&K Heckler & Koch
$24.95Front Sight 7.6mm Compatible With: P7M8 P7M13HKP-01395$24.95