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, HK45 Compact V4 LH Decock Only Lever
H&K Heckler & Koch
$29.95HK 45 & 45C V4 LH Decock Only Lever The V4 lever is for the right side of the frame for a left-handed shooter. This lever is to be used in conjunction with the V3/4 detent plate found below. Detent...HKP-02707$29.95 -
HK45, HK45 Compact Extractor
H&K Heckler & Koch
$49.95German HK45 & HK45C Extractor - New A great spare and replacement part to have. Compatible With: HK45 Tactical HK45 HK45 Compact Tactical HK45 CompactHKP-01298$49.95 -
HK Mark 23 6.7mm +2 Rear Sight
H&K Heckler & Koch
$59.95HK Mark 23 Rear Sight - 6.7 mm This sight comes 6.7mm height +2mm over the stock height. Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12)HKP-02256$59.95 -
HK P30SK Holster - Infidel Max
Comp-Tac
$74.95Comp-Tac HK P30SK Infidel Max Holster The Infidel Max Holster is an all-Kydex Inside the Waistband holster with cant adjustment holes to allow the user to change from a reverse cant, speed cant and FBI forward cant. The Infidel Max Holster all-Kydex body...HKP-17516-M$74.95 -
HK P2000 Tactical Barrel - .40 S&W - 4.28" - Threaded 9/16x24 RH
RCM
$225.00RCM HK P2000 .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each P2000 .40 S&W tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. It is the finest threaded replacement barrel available...HKP-16709$225.00 -
HK P Series Control Latch
H&K Heckler & Koch
$19.95HK P Series Control Latch Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK Please Note: This is the correct part for the CDA V4.1 Trigger found in Europe.HKP-01957$19.95 -
HK P2000 Backstrap with Safety - Large - Black
H&K Heckler & Koch
$39.95H&K P2000 Back Strap w/ Safety - Large - Black Perfect for those with large hands. Compatible With: HK P2000HKP-01572$39.95 -
Out Of Stock
HK P2000 Backstrap with Safety - Medium - Black
H&K Heckler & Koch
$44.95H&K P2000 Backstrap w/ Safety - Medium - Black Compatible With: HK P2000 Note: This will not fit the SK models but will fit all HK P2000 standard models.HKP-01566$44.95 -
HK USP Control Decock Only V4 Safety Lever
H&K Heckler & Koch
$44.95H&K HK USP Control Decock Only V4 Safety Lever Lever for left-handers to have the de-cocker (no safety) function. The control lever fits on the right side of the frame. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACPHKP-01417$44.95 -
HK USP Series Front Sight 6.6mm
H&K Heckler & Koch
$21.95H&K HK USP Series Front Sight 6.6mm Raised 6.6mm height. German HK manufacture. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact 45 ACP HK USP Compact LEM...HKP-16547$21.95 -
HK416, HK417, MR556, MR762 Trigger
H&K Heckler & Koch
$189.95H&K HK MR556/MR762/416/417 Trigger Made in Germany. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-15210$189.95 -
HK USC Magazine Release Axle - .45 ACP
H&K Heckler & Koch
$18.95Heckler and Koch USC .45 ACP Magazine Release Axle Replacement magazine release axle for HK USC .45 ACP platforms. This component is commonly replaced due to wear or breakage and may also be required when configuring compliant magazine release systems...HKP-02584$18.95