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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HK45 Holster - Comp Carry
Comp-Tac
$79.95Comp-Tac HK 45 Full Size Comp Carry Holster This custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best holster company in the...HKP-20585-M$79.95 -
On Sale
HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel
HKP HK Parts
Now: $99.95Was: $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 front (as seen in the photos). Besides this V1 and V2...HKP-19470Now: $99.95Was: $169.95 -
HK417, MR762, G28 Slim Line Retractable Buttstock
H&K Heckler & Koch
$86.95H&K HK MR762/417/G28 Slim Line Retractable Stock New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...HKP-17135$86.95 -
On Sale
Canik TP9SFX Rival Compensator
HKP HK Parts
Now: $97.46Was: $189.95HKP Canik SFX Rival Compensator - Gold/Gray Crafted from aircraft-grade billet aluminum and finished in durable cerakote. Features multiple muzzle ports and the additional weight to significantly reduce both muzzle flip and recoil. Compatible...HKP-21396-MNow: $97.46Was: $189.95 -
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 cloth topped gun cleaning mat to protect your gun...HKP-18091$13.95 -
HK91, G3 Locking Piece - 45 Degree
H&K Heckler & Koch
$29.95Heckler and Koch New Old Stock German HK Locking Piece for G3, 91, and PTR This is the factory-correct 45-degree locking piece for HK 91/G3 and PTR .308 full-length firearms. All steel construction is new in sealed wrapping.HKP-00499$29.95 -
HK G36 Magazine- No Retainers - 30 Round
H&K Heckler & Koch
$54.95HK Heckler and Koch 30 Round Magazine without Retainers for HK G36 Genuine H&K 30-round magazine without magazine interlocking retainers. Compatible With: HK G36HKP-22195$54.95 -
HK VP9 Optic Plate - Shield Sights - Red Dot Pistol Mount
HKP HK Parts
$49.99HK VP9 Optics Mount -Shield Sight Each plate is CNC machined from the best quality billet steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2 X T20 steel Torx Plus screws for mounting the optic...HKP-20796$49.99 -
HK P30, P30L, P30S, USP Compact, P2000 - 9mm Recoil Spring
H&K Heckler & Koch
$34.95Recoil Spring New HK German manufacture recoil spring for guide rod. A must-have spare part and a common consumable item. Compatible With: USP Compact 9mm P2000 9mm P30, P30L & P30S 9mm modelsHKP-01560$34.95 -
Out Of Stock
Barrel Flute Cleaning Brush - 9mm
H&K Heckler & Koch
$38.95Heckler and Koch Barrel Flute Cleaning Brush for 9mm This HK-manufactured brush is a must-have for the proper care of your HK 9mm rifle/pistol, as the flutes need to be clean and free of carbon for proper function. A great cleaning tool to have on hand...HKP-00138$38.95 -
On Sale
HK MP5 Handguard - Wide
AC-Unity
Now: $14.45Was: $18.95AC-Unity HK MP5 Wide Handguard Made by AC-Unity with advanced, German made polymer-resin/granulate that is both lightweight and shock/UV resistant. This state of the art polymer is formulated to withstand temperatures from -30°C to 120°C...HKP-21637Now: $14.45Was: $18.95 -
HK45, USP Sear Catch - New Style, LEM, Standard
H&K Heckler & Koch
$19.95HK USP & 45 LEM & Standard Models New Style Sear Catch This is the new style catch to convert older USP models to the newer style catch and is needed for the LEM conversions. It is also known as the USP match catch. Compatible...HKP-01803$19.95