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
HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $74.96Was: $169.95HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 2. Version 2 has the weight reduction cut-out located in the...HKP-19470Now: $74.96Was: $169.95 -
HK VP9SK Bench Mat
HKP HK Parts
$13.95Gunsmithing, Cleaning Bench Mat - HK VP9SK, VP9SK Tactical This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK firearm while using our high quality neoprene rubber backed and...HKP-18091$13.95 -
Out Of Stock
HK USP Match Trigger and Trigger Stop
H&K Heckler & Koch
$45.95HK USP Match Trigger & Trigger Stop The match trigger overstep screw is threaded M2.5 X .45 for those who want to use the screw in other applications or pistol triggers. Compatible With:HKP-01971$45.95 -
HK416, MR556 Upper Gas Block for 10.4" Barrels - Vented
H&K Heckler & Koch
$167.95H&K Heckler and Koch Complete Vented Upper Gas Block for HK MR556 and HK416 10.4" Barrels New HK German manufacture newestHKP-18056$167.95 -
HK91, G3 Buttstock Set with Backplate - OD Green - Hand Picked
H&K Heckler & Koch
$84.95Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best...HKP-18237$84.95 -
HK Claw Mount Screw for Optics and Rails
H&K Heckler & Koch
$3.95H&K Claw Mount Screw For Optics & Rails HK German rail screw that is used on the HK claw mount to add an optic such as a Hendsoldt or Stanag optic to the claw mount. The screw is used German surplus...HKP-17921$3.95 -
HK MP5 Cocking Handle - Knurled - Enhanced - UTG Pro Handguard Compatible
HKP HK Parts
$39.95HKP HK MP5 Enhanced Knurled Cocking Handle - UTG Pro Handguard Compatible Enhanced extended cocking handle designed for HK MP5 pattern firearms and compatible with UTG handguards. The knurled...HKP-22516$39.95 -
HKP 9mm Knurled Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$29.95HKP 9mm Knurled Micro Comp - Threaded 1/2x28 RH The HK Parts Micro Comp & Thread Protector is a sleek, functional solution for enhancing your 9mm pistol's performance. Designed to be lightweight and...HKP-21124$29.95 -
On Sale
HK USP .40 S&W +5 Magazine Extension
HKP HK Parts
$31.84 - $49.95HKP HK USP .40 S&W +5 Magazine Extension HK Parts magazine extension +5 adds 5 additional rounds to the full size USP & USP Tactical 13 round magazine. It uses the existing mag body, spring, and...HKP-18645-M$31.84 - $49.95 -
HK33, HK53, HK93 A2 Fixed Buttstock - Surplus
H&K Heckler & Koch
$249.95Surplus - Fixed Stock - HK93,33,53 HK93 Surplus Stock - Black comes with a matching buttpad. Ready to install on your HK or clone rifle. Last remaining units. Once all are gone there will be no more...HKP-19075$249.95 -
On Sale
Sig Sauer P320 M17 Compensator
HKP HK Parts
Now: $89.96Was: $189.95HKP SIG P320 M17 Compensator Our P320 M17 compensator reduces recoil and muzzle flip. Each unit is 100% US-made and finished in durable black cerakote. Our M17 compensator features a Picatinny rail...HKP-21123Now: $89.96Was: $189.95 -
HK VP9, P30 Magazine Spring - 17 Round
HKP HK Parts
$8.95Extended Magazine Spring - HK 17 Round Magazine For Use With The +4 or+5 Extension - HK VP9, HK P30 This Extended Magazine spring fits VP9 and P30 9mm 17 round magazines with the HK Parts +4 and +5...HKP-19297$8.95