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, MP5K, SP5, SP5K Folding Stock Buffer
HKP HK Parts
$9.95HK Parts Folding Stock Buffer for HK MP5, SP5, MP5K, SP5K This item used to replace the factory HK buffer on MP5K folding stocks and end cap. This is only usable on the factory OEM stock and end cap. This buffer can also be used as a replacement buffer...HKP-20833$9.95 -
HK SEF Style Binary Aluminum Selectors
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum This new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs. This is the best selector set for the...HKP-20103$69.95 -
HK VP9 Optic Plate #7 - Holosun 509T - Red Dot Pistol Mount
HKP HK Parts
$49.95HK VP9, VP9L Optics Ready #7 - Holosun 509T - Optic Mount - Steel The finest all steel mounting solution for your HK VP9, VP9L OR model.New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of ordnance grade steel,...HKP-19972$49.95 -
HK VP9, HK45, P30, P2000 Rubber Extractor Buffer
H&K Heckler & Koch
$5.95Heckler and Koch HK P Series and HK45 Rubber Extractor Buffer A must-have wear and replacement part for the following HK pistols. Compatible With: HK VP9, VP9SK HK VP9A1 F, VP9A1 K HK P2000, P2000SK HK P30, P30SK HK45, HK45 CompactHKP-01632$5.95 -
HK USP, Mark 23 .45 ACP, P30 .40 S&W Magazine Spring - HK 10 Round
H&K Heckler & Koch
$6.95Heckler and Koch10 Round HK USP, Mark 23 .45 ACP, P30 .40 S&W Magazine Spring A must-have spare part, as magazine springs are prone to wear and tear. Compatible With: HK USP .45 ACP - 10 Round HK USP Tactical .45 ACP - 10 Round HK Mark 23 - 10...HKP-01675$6.95 -
HK USP Straight Trigger
Grayguns
$94.95Grayguns Straight Trigger for HK USP Straight trigger upgrade for HK USP full-size pistols. Designed to reduce over-travel and provide a consistent, 90-degree break. The straight face allows a lower finger position, which can make the trigger feel...HKP-21344$94.95 -
HK MP5 .22 LR Folding Stock
B&T Brugger & Thomet
$249.95B&T Folding Stock for MP5 .22 LR Swiss made B&T folding stock for the MP5 22 LR. This is a military grade stock section as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law enforcement and military units around the...HKP-20166$249.95 -
HK VP40, P30 Magazine - 10 Round - .40 S&W
H&K Heckler & Koch
$54.95HK VP40, P30, P30S & P30L .40 S&W - 10 Round magazine New HK German manufacture. It is a CA, NY, compliant magazine because it holds 10 rounds. Hard to find in this configuration. Compatible With: HK VP40 HK P30/P30L .40 S&WHKP-01739-M$54.95 -
HK VP9SK, P30SK Magazine Pinky Rest
HKP HK Parts
$22.95HKP HK VP9SK/P30SK Magazine Pinky Rest This machined floorplate allows the user to quickly swap the floorplate to add a finger rest for the pinky on a standard VP9SK & P30SK 10-round magazine. Why settle for cheap plastic or 3D-printed...HKP-17853-M$22.95 -
HK MP5, HK90 Series Barrel Pin Jig - Aluminum
HKP HK Parts
$119.95HKP HK Parts HK MP5, 90 Series Aluminum Barrel Pin Jig This jig is designed for the installation and removal of barrel pins on all HK 90 series rifles and pistols. It’s the companion tool for builders already using HK flat-bending jigs and other...HKP-08928$119.95 -
Out Of Stock
HK MP5K, SP89, SP5K Tri-Rail Handguard - 9mm
B&T Brugger & Thomet
$265.00B&T Brugger and Thomet Tri-Rail Handguard for HK MP5K, HK SP89 and HK SP5K 9mm B&T Tri-Rail handguard for HK MP5K platforms. Specifications: Color: Black Height max: 48.4 mm Length max: 86 mm Length of right rail: 82 mm Length of left...HKP-16889$265.00 -
HK MP5, MP5F Recoil Rod Guide Ring - Enhanced
HKP HK Parts
$3.95HKP MP5F & MP5 40,10 Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced New Enhanced material for greater longevity and durability Our US made recoil rod guides are the made from the strongest most durable material available much better than...HKP-17835$3.95