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 VP9, P30 Magazine - 30 Round - Translucent - 9mm
HKP HK Parts
$67.95HKP HK Parts 30 Round Complete 9mm Magazine - Translucent for HK VP and HK P30 New HK German VP9 and P30 Magazine body combo; pre-installed along with the HK Parts 30 round mag translucent...HKP-18242$67.95 -
HK USC, UMP Extractor - .40 S&W
H&K Heckler & Koch
$54.95HK German UMP Or USC .40 Extractor New HK German factory OEM part. This is a high wear and replacement item as the .40 cal cartridge has a high impulse that results in an increased occurrence of this...HKP-00264$54.95 -
HK G3, HK417 Flash Hider - WARCOMP - Threaded 5/8x24
Surefire
$159.95SureFire WARCOMP (7.62x51/.308) Flash Hider - Threaded 5/8x24 This flash hider is perfect for the post 2016 production PTR models as well as C308 models. Compatible With:HKP-18024$159.95 -
HK MP5K Barrel Extension and Faux Suppressor - 9mm - 3 Lug - US
HKP HK Parts
$59.95HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension. Slips over the 3-lug MP5K PDW...HKP-18001$59.95 -
HK91, HK93 Rail - Tactical - 2"
HKP HK Parts
$16.95HKP HK Parts 2" Tactical Rail for HK91, PTR 91, and the HK93 (with tactical grip) The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the...HKP-02527$16.95 -
On Sale
M-LOK Sling Swivel Mount - Quick Detach
AIM
Now: $22.50Was: $24.99M-LOK Quick Detach Sling Swivel Mount The Aim M-LOK® QD Sling Mount stud with QD swivel provides a front attachment point for your push button QD sling or sling with just strap. Includes:HKP-18589Now: $22.50Was: $24.99 -
Out Of Stock
Tri-Lug Adapter - 1/2x28 RH to Tri-Lug - 9mm - B&T
B&T Brugger & Thomet
$125.00B&T 1/2x28 to Tri-Lug Adapter for 9mm Convert any 1/2x28 RH 9mm threaded barrel to the HK spec. tri-lug with B&T's Swiss-made adapter adapter threaded 1/2x28. Compatible With the Following 9mm...HKP-21752$125.00 -
On Sale
HK Mark 23 MOD 1 Compensator
HKP HK Parts
Now: $195.96Was: $244.95HK Parts MOD 1 Compensator: H&K MK23 The HK Parts MOD 1 compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil, getting you...HKP-21661Now: $195.96Was: $244.95 -
HK33 Cocking Tube - 11" - Right Hand
HKP HK Parts
$99.95HKP HK33 11" Right Hand Cocking Tube This is the one and only right handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German...HKP-18692$99.95 -
On Sale
HK MP5K Ace Style Stock
HKP HK Parts / Heckler & Koch
Now: $148.46Was: $164.95HKP HK MP5K Ace Style Stock MP5K billet ace adapter paired with an all-steel ace-style stock.HKP-20953Now: $148.46Was: $164.95 -
HK90 Series Trigger - Refinished
H&K Heckler & Koch
$19.95Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE CHKP-20678$19.95 -
Out Of Stock
HK G36, SL8 Handguard - Quad Rail
B&T Brugger & Thomet
$379.95B&T Brugger and Thomet Handguard Quad Rail For HK G36 and SL8 New B&T Swiss manufactured G36 and SL8 quad rail system. Each unit comes with the complete quad rail as well as the rail covers and sling...HKP-16897$379.95