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 P30 Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded
RCM
Now: $151.41Was: $237.50RCM HK P30 .40 Cal S&W To .357 Sig Conversion Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is...HKP-17505Now: $151.41Was: $237.50 -
$10.95 -
On Sale
HK P2000 Holster - Infidel Ultra
Comp-Tac
$62.44 - $97.95Comp-Tac HK P2000 Infidel Ultra Holster The Infidel Ultra Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00...HKP-17492-M$62.44 - $97.95 -
On Sale
Pistol Flash Hider - Vortex - .45 ACP - Threaded 16x1 LH
Smith Enterprises
Now: $71.96Was: $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...HKP-02323Now: $71.96Was: $79.95 -
On Sale
HK45, UMP Flash Hider - 4 Prong - Threaded 16x1 - Left Hand
HKP HK Parts
Now: $47.78Was: $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...HKP-01017Now: $47.78Was: $74.95 -
HK USPC, HK45C, P2000, P2000SK Trigger
H&K Heckler & Koch
$29.95Heckler and Koch Trigger for HK USP Compact, HK45 Compact, HK P2000, and HK P2000SK New HK manufactured. Compatible With: HK45 CompactHKP-02603$29.95 -
HK45, USP, P2000 Sear Axle
H&K Heckler & Koch
$13.95Sear Axle Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mmHKP-01251$13.95 -
Out Of Stock
HK USP Compact LEM Block Spring - Firing Pin
H&K Heckler & Koch
$8.95H&K HK USPC LEM Firing Pin Block Spring Compatible With: HK USP Compact 9mm - LEMHKP-16421$8.95 -
On Sale
HK UMP, USC, G36, SL8 Notched Disk - S,F
Now: $8.06Was: $8.95HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: HK UMP HK USC HK G36 HK SLHKP-19070Now: $8.06Was: $8.95 -
Out Of Stock
HK Shifter Rod - Burst Trigger Packs
H&K Heckler & Koch
$59.95German HK Trigger Pack Shifter Rod For Burst Trigger PacksHKP-02054$59.95 -
On Sale
HK MP5, HK94 Cocking Tube - LH
HKP HK Parts
Now: $76.47Was: $119.95HKP MP5, HK94 Cocking Tube - For Lefties This is the one and only left handed cocking tube for the MP5/HK94 ever made and it happens to be a US manufactured part. Features include enlarged charging...HKP-17380Now: $76.47Was: $119.95 -
HK MP5, 94 Magazine Spring - 15 Round
H&K Heckler & Koch
$8.95HK German MP5, 94, SP89, MP5K 15 Round Magazine Spring Compatible with all 15 Round MP5 and 94 style curved magazines. This is a must-have repair and replacement part, great to have for spares.HKP-00090$8.95