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, HK 45 Tactical Backstrap - Small - Black
H&K Heckler & Koch
$14.95H&K 45/45 Tactical Backstrap - Small - Black New HK Manufacture. This item allows you to customize the way your firearm feels in your hand. As this is the smaller backstrap it is an excellent choice for smaller hands or female shooters. Compatible...HKP-01672$14.95 -
HK Mark 23 Recoil Assembly Compression Spring
H&K Heckler & Koch
$19.95Mark 23 Recoil Assembly Compression Spring Brand new HK German recoil spring for the HK Mark 23 or SOCOM .45 Pistol. A high wear item that needs to be changed & replaced often as this is a consumable part.HKP-16644$19.95 -
MTAC Holster - RH
Comp-Tac
$89.95Holsters - MTAC - RH - P30, P30L, HK45, HK45C, P30SK The MTAC is an inside the waistband (IWB) Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in...HKP-17520$89.95 -
HK VP9, P30, HK45 Sights - SlantPro Tactical
Heinie
$199.95Heinie HK VP/P30/45 Sights Slant Pro Tactical Compatible With: HK VP9, VP9SK, VP9 Tactical, VP40, VP40 Tactical (Excluding VP9 Optics Ready) HK 45, 45C (Tactical models as well) HK P30, P30L, P30S, P30SKHKP-02125$199.95 -
$10.95 -
HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 9/16x24 RH
RCM
$225.00RCM HK P2000SK .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each P2000 SK tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the...HKP-16740$225.00 -
HK USP, USP Tactical Lanyard Loop Insert - .45 ACP
H&K Heckler & Koch
$18.95HK USP/Tactical .45 ACP Lanyard Loop Insert This item does not have the lockout device installed for those who prefer not to have this device on their firearm.HKP-02385$18.95 -
Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH
Smith Enterprises
$79.95Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH Each flash hider is threaded 16x1 LH twist. Made of 4140 ordnance grade steel, heat treated, and finished in the Melonite finish to add the best corrosion and abrasion resistance...HKP-02323$79.95 -
HK45, UMP Flash Hider - 4 Prong - Threaded 16x1 - Left Hand
HKP HK Parts
$74.95HK Parts 4 Prong Flash Hider .45 ACP Threaded 16x1 LH Designed for all HK German .45 ACP threaded barrels, including full size and compact models. Made from heat treated ordnance grade steel with a melonite finish, it offers superior corrosion and...HKP-01017$74.95 -
HK USP Hammer, Hammer Strut Roll Pin
H&K Heckler & Koch
$5.95HK USP Hammer, Hammer Strut Roll Pin This pin installs in the hammer and makes contact with the hammer strut.HKP-02268$5.95 -
HK USPC Light and Laser Mount - TLR-4 - Green
Streamlight
$299.95Streamlight TLR-4 Light and Laser - Green for HK USPC Features: White LED with Green Laser Ultra lightweight and compact Ambidextrous momentary/steady On-Off switch One handed snap-on and tighten interface keeps hands away from muzzle when...HKP-16917$299.95 -
$5.95