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
HK VP9 Holster - Crusader Max - Right Hand
Victory Operational Works
Now: $59.95Was: $99.95Victory Operational Works HK VP9 Crusader Max Holster - Standard - Right Hand The Crusader holster is a modular multi-mission capable holster platform offering two carry options, IWB & OWB including the hardware needed for both configurations. Each...HKP-20308Now: $59.95Was: $99.95 -
Out Of Stock
HK P2000, P2000SK Night Sight Set - HK09 - Green Front, Yellow Rear
Trijicon
$139.95Trijicon HK09 Yellow Rear & Green Front night sight set for HK P2000 & P2000SK pistols Trijicon Bright & Tough Night Sights are three-dot iron sights that increase night-fire shooting accuracy five times over conventional sights. Equally...HKP-08800$139.95 -
HK SL8 Trigger Return Elbow Spring
H&K Heckler & Koch
$9.99HK SL8 Trigger Return Elbow Spring This is the lighter spring weight found only in the SL8 firearms. The G36 trigger return spring is much heavier in weight and thus has a heavier trigger pull over the SL8 trigger pull.HKP-16391$9.99 -
HK VP9SK, VP40SK Backstrap - Small - Gray
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Small - Gray New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18969$29.95 -
On Sale
HK MP5 to MP5K Housing Conversion Service
USA
Now: $119.95Was: $149.95MP5 to MP5K Housing Conversion Service At HK Parts we are now offering our own HK trigger housing conversion service. No one does a better job with quicker turn around then we do. This conversion is the best option for those that want to install hard to...HKP-20473Now: $119.95Was: $149.95 -
On Sale
Key Mount Tool - Crows Foot Wrench for Dead Air Suppressors
Wasatch Arms
Now: $29.95Was: $54.95Wasatch Arms Key Mount Tool The Dead Air Crows Foot Wrench engages directly on the Key Mount brake allowing proper axial torque for quick and easy installation. Made in the USA and finished in black nitride.HKP-20299Now: $29.95Was: $54.95 -
Out Of Stock
SOCOM Flash Hider - 7.62x51 / .308 - 3 Prong - Threaded 5/8x24
Surefire
$159.95Surefire (7.62x.308) SOCOM 3-Prong Flash Hider - Threaded 5/8x24 The SureFire three-prong flash hider is designed for Armalite AR-10, DPMS LR308, and other 7.62 rifles with 5/8x24 muzzle threads. Its patent-pending design reduces muzzle flash by over...HKP-19992$159.95 -
On Sale
HK MP5K, SP89, Z-5P, Z-5K M4 Telescopic Stock
Choate
Now: $215.95Was: $239.95Choate M4 Telescopic Stock HK MP5K, SP89 and Zenith Models Z-5P, Z-5K The telescopic stock for the H&K MP5K and SP89 and Zenith Firearms models Z-5P and Z-5K replaces the existing stock and gives the shooter the ability to change the...HKP-19893Now: $215.95Was: $239.95 -
HK USC, UMP Optic Rail - Receiver - Polymer
H&K Heckler & Koch
$116.95H&K HK USC, UMP German Polymer Receiver Optic Rail German HK USC, UMP polymer top Receiver Rail with mounting hardware. Includes: Factory HK rail 2 mounting screws Compatible With: HK German spec UMP USC upper receiversHKP-19616$116.95 -
HK G36, SL8 Dual Optic Sight
H&K Heckler & Koch
$899.95HK G36, SL8 Dual Optic - Red Dot New factory HK G36 and SL8 red dot dual optic. Includes battery. Compatible With: G36 G36K G36C SL8-1, SL8-4 & SL8-6 modelsHKP-19552$899.95 -
On Sale
Bore Boss Pull-Through Bore Cleaner - .40 S&W / .41
Real Avid
Now: $8.95Was: $10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .40/.41 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece cable...HKP-19411Now: $8.95Was: $10.95 -
HK45, HK45 Tactical Magazine Housing - 10 Round
H&K Heckler & Koch
$34.95HK45 Magazine Housing For 10 Round Mag - Mag Body Only Brand new factory German manufacture. Compatible With: HK45, HK45 Tactical Please Note: This is not the same as the USP45 mag body.HKP-02494$34.95