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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$15.99 -
HK Mark 23 Rear Sight - -2, 5.9mm
H&K Heckler & Koch
$55.95HK Mark 23 5.9mm -2 Rear Sight Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12)HKP-02257$55.95 -
HK Mark 23 Decocker C-Clip
H&K Heckler & Koch
$19.95HK Mark 23 Decocking C-Clip (Lock Washer)HKP-01629$19.95 -
HK P30SK Grip Panel Left Side - Large
H&K Heckler & Koch
$16.95Heckler and Koch large Grip Panel in black for the left side of HK P30SK grips The P30 incorporates interchangeable side panels for optimal fit. Easy-to-install modular back straps also allow the P Series pistol to be custom-fitted to any shooter’s...HKP-18075$16.95 -
HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 14.5x1 LH
RCM
$225.00RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 SK tactical barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for...HKP-16943$225.00 -
Streamlight TLR-3 Tactical Light
Streamlight
$154.95Streamlight TLR-3 Tactical Light, C4, 170 Lumens Features: Powered by one CR123A battery IPX7 waterproof Impact resistant polymer body Ambi, multi-function momentary/ steady on-off switch White LED Light Ultra lightweight and compact Ambidextrous...HKP-16919$154.95 -
Out Of Stock
HK P2000 .40 S&W Slide - Incomplete
H&K Heckler & Koch
$479.95HK P2000 .40 S&W Slide - Incomplete This is a rare part to find. Brand new HK German with an un-serialized slide. Compatible With HK P2000 .40 S&WHKP-02496$479.95 -
HK P2000, P2000SK Standard Rear Sight
H&K Heckler & Koch
$59.99Heckler and Koch Standard Rear Sight for HK P2000 and HK P2000SK HK P2000 and HK P2000SK Rear Sight with 2 white dots Compatible With: P2000 P2000SKHKP-17423$59.99 -
HK P2000, P2000SK Front Sight 6.7mm
H&K Heckler & Koch
$19.95H&K HK P2000/P2000SK Front Sight 6.7mm Compatible With: HK P2000 HK P2000SKHKP-17419$19.95 -
Out Of Stock
HK USP Compact Barrel - .45 ACP - 3.80"
H&K Heckler & Koch
$354.95Drop in barrel for HK USP45 Compact HK USPC .45 ACP Barrel Features: Factory barrel for HK USP45 Compact 3.80" (95mm) Compatible with: HKUSP CompactHKP-02064$354.95 -
HK USP .45 ACP Recoil Rod
H&K Heckler & Koch
$29.95H&K HK USP .45 ACP Recoil Rod Factory German HK correct Recoil Rod for the HK USP 45 Full Size pistol. Compatible With: HK USP 45 Full Size PistolHKP-16998$29.95 -
HK USP Old Style Catch
H&K Heckler & Koch
$39.95HK USP Old Style Catch Compatible With: HK USP 9mm HK USP 40HKP-01932$39.95