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
Ergo Rail Cover
Ergo
Now: $3.71Was: $8.95Ergo Rail Cover Protect your investment with these attractive low-profile "Ladder" rail protectors. Features: Ladder Panels offers loHKP-13514Now: $3.71Was: $8.95 -
HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly
HKP HK Parts
$19.87HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for...HKP-00785$19.87 -
Out Of Stock
HK G36C Parts Kit
HKP HK Parts
$1,499.95HKP G36C Parts Kit HK Parts brings you a complete G36 parts kit, loaded out with everything you need to complete a stHKP-21492$1,499.95 -
HK MP5 Magazine Spring - 30 Round - Enhanced
HKP HK Parts
$8.95HKP HK MP5 30 Round Enhanced Magazine Spring US-made enhanced 30-round magazine spring for the MP5. Provides improved feeding reliability and consistent spring tension. Compatible With: HK MPHKP-22157$8.95 -
B&T Vertical Foregrip - Short Style - Quick Detach
B&T Brugger & Thomet
$75.00B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water...HKP-17679$75.00 -
HK USP Jet Funnel Kit Upgrade - 9mm, .40 S&W
H&K Heckler & Koch
$72.95Heckler and Koch Jet Funnel Kit for HK USP 9mm and .40 S&W Brand new factory HK German Jet Funnel kit for the HK USP 9mm and USP .40 full-size pistols. Easy to install, no gunsmithing, or...HKP-00306$72.95 -
HK416 A5, MR556 A4 Gas Vent Screws - 1.0-2.5mm
H&K Heckler & Koch
$31.99H&K MR556 A4 and HK416 A5 Gas Vent Screws German gas vent screw for MR556 A4 gas block. Specifications:HKP-22470-M$31.99 -
HK Single Point Sling - Quick Detach - Black
NcSTAR
$29.95HKP Single Point Sling in Black - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic covHKP-19767$29.95 -
HK416, G36, Colt M4 Magazine - .22LR - 10 Round
Walther
$39.95HK, Walther, Colt, Beretta - HK416 .22 - 10 Round Magazine Impact-resistant polymer construction. Thumb-assisted loading button. Heavy-duty spring-steel mag spring. Compatible With:HKP-01747$39.95 -
HK German Vertical Foregrip - Picatinny
H&K Heckler & Koch
$66.95HK German Vertical Grip Each HK Vertical Grip features factory HK markings & HK's unique locking system. HK's Vertical Grip has an HK-designed rock-solid attachment system that is self-contained in...HKP-00034$66.95 -
HK MP5 Pistol Stabilizing Brace - .22LR - Skeletonized
SB Tactical
$149.95SB Tactical - HK MP5 .22LR Pistol Stabilizing Brace - Skeletonized Features: Complete assembly, ready-to-install Molded polymer end cap with QD socketHKP-21399$149.95 -
HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
$8.99Roller +3 - New - 8.03mm HK Parts Standard (8.03 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2...HKP-19425$8.99