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 MP5 Trigger Group - Flat Trigger - Push Pin
Lee Sporting / Magpul
Now: $466.95Was: $549.95Lee Sporting Complete Trigger Group - MP5 Push Pin - Flat Trigger The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger...HKP-20482Now: $466.95Was: $549.95 -
On Sale
HK UMP, USP, HK45 Flash Hider - 5 Prong - Threaded 16x1 LH
HDPS
Now: $89.95Was: $99.95HDPS .45 ACP 5 Prong Flash Hider - Threaded 16x1 LH The 5 Prong Flash Hider is designed to fit .45 ACP firearms threaded 16x1 LH This highly anticipated flash suppressor enhances accuracy by up to 35% and reduces recoil by up to 40%. With no indexing...HKP-20459Now: $89.95Was: $99.95 -
On Sale
HK Barrel Bore Cleaner - 7.62 / .308
Other
Now: $5.95Was: $7.95Outers Barrel .308/7.62 Bore Cleaner From the makers of the BoreSnake. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting end easily with the Outers Barrel badger Bore Cleaner. With a few passes,...HKP-19921Now: $5.95Was: $7.95 -
HK P2000 Backstrap - X-Large
H&K Heckler & Koch
$29.95HK P2000 Backstrap With NO Internal Lockout Safety - Extra Large A hard part to find for the HK P2000 Models Compatible With: HK P2000 The XL backstrap is the largest backstrap available for the P2000.HKP-19726$29.95 -
HK VP9, VP9SK, VP40 Catch Cylindrical Pin
H&K Heckler & Koch
$9.95Cylindrical Pin For Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40HKP-16802$9.95 -
HK417, MR762 Magazine Catch
H&K Heckler & Koch
$49.95Heckler and Koch Magazine Catch for HK417 and HK MR762 This is the actual mag catch for the MR762 and HK417 family of firearms. A great spare to have on hand. Compatible With: HK417, MR762HKP-16681$49.95 -
Out Of Stock
HK417, MR762, G28 Buffer Tube - FDE
H&K Heckler & Koch
$224.95HK G28 Buffer Tube / Receiver Extension- HK Tan (Ral 8000) New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Compatible...HKP-16762$224.95 -
$10.95 -
On Sale
HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 9/16x24 RH
RCM
Now: $190.95Was: $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-16740Now: $190.95Was: $225.00 -
On Sale
HK P2000 Holster - Infidel Ultra
Comp-Tac
$77.95 - $87.95Comp-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 or 5:00, this holster is a perfect easy on easy off...HKP-17492-M$77.95 - $87.95 -
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 -
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