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 Bolt Carrier - Full Auto - 9mm
RCM
$184.95MP5 9mm Full Auto Bolt Carrier - RCM New US RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. They were machined completely from billet ordnance grade steel...HKP-01188$184.95 -
HK G36, SL8 Barrel Mandrel
Other
$109.95Barrel Mandrel For Removal and Installation of HK G36 and HK SL8 Barrels A mandrel barrel changing tool for firearms is a specialized rod inserted into the barrel to provide internal support and alignment during the process of removal or installation...HKP-02608$109.95 -
HK416, MR556, HK417, MR762 Pistol Grip with Storage - Black
H&K Heckler & Koch
$49.95Heckler and Koch's Pistol Grip with Storage for HK416, HK MR556, HK417, HK MR762 New HK German factory battle grip with a storage compartment in the bottom. Each grip will fit all AR-15 and M-16 lower receivers as well. It has a superior fit and feel to...HKP-00033$49.95 -
HK 9mm Thread Adapter - Barrel - Converts 13.5x1 To 1/2x28 LH
Kaw Valley Precision
$29.95Kaw Valley Precision 9mm Thread Adapter Converts your HK 9 mm Barrel from 13.5x1 LH To 1/2x28 Converts barrel thread pitches to match desired muzzle device thread pitches. For example, this adapter converts a 13.5x1 LH barrel thread to a 1/2x28 thread,...HKP-19991$29.95 -
HK G36 Magazine - 30 Round - Magpul
Magpul
$27.95Magpul 30 Round HK G36 5.56/.223 Magazine The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36 magazines...HKP-01740$27.95 -
HK MP5, HK33, HK53, HK93 Housing - SEF Navy Style - Polymer - Push Pin - LIKE NEW
H&K Heckler & Koch
$99.95H&K Heckler and Koch LIKE NEW SEF Navy Style Polymer Housing Push Pin for HK MP5, HK33, HK53, HK93 9mm and 5.56 / .223 Perfect upgrade for your older SEF contoured trigger pack or to dress up your HK firearm. Specifications: Push Pin Made In...HKP-19892$99.95 -
Out Of Stock
HK MP5, MP5K PMAG D50 Drum - 50 Round
Magpul
$124.95Magpul - PMAG D-50 - MP5, SP5, Mp5K, SP5K Lightweight but incredibly strong, our PMAG D-50 MP is a highly reliable, 9x19mm Parabellum, 50-round drum magazine for HK94/MP5 large-format pistols and pistol caliber carbines. The PMAG D-50 MP boasts many of...HKP-19536$124.95 -
HK VP9 Optic Plate #5 - Burris Fastfire, Vortex Viper, Venom - Red Dot Pistol Mount
HKP HK Parts
$29.95 - $39.95HKP/H&K VP9 Series 9mm Fastfire, Vortex Optics Plate #5 The finest aluminum mounting solution for your HK VP9 Series Optic Ready model. New solid billet machined aluminum optics plate. Each plate is CNC machined from a solid billet of ordnance grade...HKP-19689-M$29.95 - $39.95 -
HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Pinky Rest - Rubberized
H&K Heckler & Koch
$19.9513 Round USPC & P2000 9mm Magazine Floor Plate w/ Pinky Rest This part is the new style floor plate that is rubberized to resist breakage when the magazine is dropped. Compatible With: HK USPC 9mm 13-round magazines HK P2000 9mm 13-round...HKP-02648$19.95 -
On Sale
HK MP5, MP7, G36 Complete Poster Set
H&K Heckler & Koch
Now: $7.46Was: $24.95H&K HK G36/MP7/MP5 Complete Poster Set Specifications: MP5 Parts Diagram: Height- 24" Width- 36" G36: Height- 24" Width- 18" MP7: Height- 24" Width- 18"HKP-16691Now: $7.46Was: $24.95 -
HK MP5, HK33 HK53, HK93 Paddle Mag Release Bushing - Full Auto
H&K Heckler & Koch
$6.95Heckler and Koch New Full Auto Paddle Magazine Release Bushing for HK MP5 and HK90 New HK German paddle magazine release bushing for all 90 series HK weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on...HKP-00847$6.95 -
HK USPC, HK45C Magazine - 12 Round - .45 ACP
HKP HK Parts
$79.95HKP 12 Round .45 ACP Magazine for HK45 Compact and HK USP Compact HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit is then fully assembled as a 12 round HK45C magazine. Ideal for competitive shooters,...HKP-18672$79.95