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
HK416A5, MR556 Enhanced Incomplete Trigger Guard
H&K Heckler & Koch
Now: $17.21Was: $39.95Enhanced HK Trigger Guard Upgrade Incomplete - A5 - HK416 & HK MR556 Upgrade your MR556, HK416 & CR556 to the latest gen HK416 A5 enhanced trigger guard. Enlarged trigger guard area to use with...HKP-19377Now: $17.21Was: $39.95 -
HK VP9, VP9SK, VP40 Sear Spring
H&K Heckler & Koch
$5.95H&K VP9/VP9SK, VP40 Catch Pressure Spring Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9AHKP-16800$5.95 -
HK VP9, P30 Magazine Extension Kit - +4
HKP HK Parts
$34.95HKP +4 HK VP9/P30 Magazine Extension Kit HK Parts magazine extension +4 kit adds 4 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate and the included high...HKP-17589$34.95 -
HK USPC, P2000 Magazine Floorplate - .357 SIG / .40 S&W - 12 Round - Rubberized
H&K Heckler & Koch
$18.95HK P2000/USPC .40 S&W Rubberized Floor Plate - Black Newer HK German production upgraded rubberized floor plate with finger rest. The older style plates were prone to breakage when dropped, this is...HKP-01556$18.95 -
HK MP7, G36, SL8 Gas Block Pin
H&K Heckler & Koch
$8.95H&K HK G36/SL8/MP7 Gas Block Pin The G36/SL8/MP7 gas block pin is the largest out of HK's line up (UMP/USC, 415/MR556, 417/MR762).HKP-16727$8.95 -
HK90 Series Trigger
H&K Heckler & Koch
$19.95H&K 90 Series Trigger New German 90 series Compatible With: HK91, G3, PTR HK93, 33, 53HKP-18706$19.95 -
HK416, MR556, AR-15 Magazine - PMAG M3 - 40 Round
Magpul
$24.95Magpul PMAG 40 Round AR-15 5.56/.223 Magazine Latest M3 generation, NON-windowed PMAG (Polymer Magazine). Featuring a pop-off storage/dust cover that alleviates pressure from the magazine feed lips,...HKP-16699$24.95 -
Out Of Stock
B&T TP9, MP9, KH9, P26 Folding Stock Assembly, Complete
B&T Brugger & Thomet
$190.00B&T TP9, MP9, KH9, P26 Folding Stock Assembly, Complete Swiss B&T manufactured Tactical Folding Stock Assembly for the TP9, MP9, KH9 & P26. Includes:HKP-17298$190.00 -
HK Single Point Quick Detach Sling - OD Green
NcSTAR
$29.95HK Single Point Sling in Green - Quick Detach Specifications: Composition: Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee construction. Style: Bungee-type design for complete...HKP-19708$29.95 -
HK MR556 Incomplete Upper Receiver
H&K Heckler & Koch
$440.95HK German Stripped HK MR556 Upper Receiver New factory German incomplete and unmarked MR556 upper receiver. Compatible With: HK MHKP-02615$440.95 -
HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile
HKP HK Parts
$39.95Low Profile, No Contact - Ambidextrous Selector Lever - Right Side This is the right side selector of the ambidextrous trigger packs that is low profile and does not interfere with the hand when the...HKP-17898$39.95 -
Out Of StockOn Sale
HK MP5 Handguard - .22LR - M-LOK - BLEMISHED
HKP HK Parts
Now: $69.97Was: $99.95HKP HK MP5 .22LR M-LOK Handguard - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.HKP-20305-BNow: $69.97Was: $99.95