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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HK USP Expert Bobbed Hammer
H&K Heckler & Koch
$29.95USP Expert Bobbed Hammer Old Style The USP Expert Hammer works with HK USP Expert variants. Compatible With: HK USP Expert 9mm HK USP Expert 40 HK USP Expert 45HKP-18198$29.95 -
HK G41 Firing Pin Spring
H&K Heckler & Koch
$9.95HK G41 Firing Pin Spring Compatible With: HK G41HKP-16060$9.95 -
HK Mark 23 Hammer
H&K Heckler & Koch
$79.95HK Mark 23 Hammer Factory new hammer for the Mark 23 or SOCOM pistol.HKP-01578$79.95 -
HK P30SK Grip Panel Right Side - Large
H&K Heckler & Koch
$14.95Heckler and Koch large Grip Panel in black for the right 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...HKP-18078$14.95 -
HK VP9, P30, P30L, HK45 Front Sight - 6.5mm - Red
H&K Heckler & Koch
$49.95Red Phosphorescent Front Sight - 6.5mm Compatible With: HK VP9 & VP9SK, VP40 HK P30 HK P30L HK P30S HK P30SK HK45, HK45 Tactical HK45 Compact, HK45C TacticalHKP-18832$49.95 -
HK P2000/P2000SK Standard Rear Sight
H&K Heckler & Koch
$59.99HK P2000/P2000SK Standard Rear Sight HK P2000& P2000SK Rear Sight with 2 white dots Compatible With: HK P2000 & P2000SK ModelsHKP-17423$59.99 -
HK P2000 Magazine Disconnect Lever Axle
H&K Heckler & Koch
$5.95H&K HK P2000 Magazine Disconnect Lever AxleHKP-16648$5.95 -
HK P2000, P2000SK Front Sight - 5.9mm
H&K Heckler & Koch
$49.95Heckler and Koch P2000, P2000SK 5.9mm Front Sight Factory German front sight designed for HK P2000 and P2000SK pistols. This 5.9mm height sight is intended for replacement or sight height adjustment on compatible slide assemblies. Compatible...HKP-12706$49.95 -
HK USP Compact Barrel - .45 ACP - 3.80"
H&K Heckler & Koch
$349.95Drop 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$349.95 -
On Sale
HKP 24 Round HK USP/Tactical .45 ACP Magazine Extension
HKP HK Parts
Now: $24.95Was: $39.95HKP 24 Round HK USP/Tactical .45 ACP Magazine Extension The HK Parts manufactured HK USP 45 mag extension allows the user to convert existing USP .45 12 round magazine to an enhanced 24 round magazine capacity. Easy to install, each kit comes complete...HKP-17454Now: $24.95Was: $39.95 -
HK USP Complete Sear - Old Style
H&K Heckler & Koch
$59.95H&K HK USP Old Style Complete Sear This sear is specific to the USP 9mm-Old Style.HKP-16991$59.95 -
Out Of Stock
HK German Factory Handguns Aluminum Padded Case
H&K Heckler & Koch
$0.00H&K HK German Factory Handguns Aluminum Padded Case New HK German Euro factory case for the HK Expert or HK Elite or any HK USP variant. Rare hard to find and factory brand new. Will also fit all USP and other HK pistol offerings. Pre-cut foam with 2...HKP-17656$0.00