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 VP9 International Holster - Coyote Brown
Comp-Tac
$50.97 - $79.95Comp-Tac HK VP9 International Holster - Coyote Brown The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be...HKP-19682-M$50.97 - $79.95 -
On Sale
HK416, MR556 Muzzle Break - Procomp - 1/2x28
Surefire
Now: $98.96Was: $109.95SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both...HKP-19666Now: $98.96Was: $109.95 -
HK USP Compact 9mm Stripped Slide
H&K Heckler & Koch
$474.95USP Compact - 9mm - Stripped New factory original slide for the 9mm semi-auto pistol. Features a black finish and factory markings. Stripped, no other parts included. No longer available by itself.<HKP-19513$474.95 -
HK G41 Firing Pin Spring
H&K Heckler & Koch
$9.95HK G41 Firing Pin Spring Compatible With: HK G41HKP-16060$9.95 -
Out Of StockOn Sale
HK USP Barrel - .40 S&W
H&K Heckler & Koch
Now: $272.95Was: $321.95Heckler and Koch German USP Full Size .40 Caliber Barrel Great idea to have a spare, factory cold hammer forged, polygonal HK barrel on hand. Compatible With:HKP-01528Now: $272.95Was: $321.95 -
$11.99 -
HK Mark 23 Secondary Recoil Compression Spring
H&K Heckler & Koch
$19.95H&K HK Mark 23 Secondary Recoil Compression SpringHKP-16642$19.95 -
HK VP9, P30, HK45 Front Sight 6.9mm - Green
H&K Heckler & Koch
$52.95Heckler and Koch VP, P30, HK45 Front Sight - 6.9mm - Green Factory green front sight with a 6.9mm height for HK VP, P30, and HK45 series pistols. Intended for replacement or sight height adjustment...HKP-02260$52.95 -
HK VP9, P30, P30L, HK45 Front Sight - 6.5mm - Red
H&K Heckler & Koch
$49.95Heckler and Koch Red Phosphorescent Front Sight - 6.5mm Compatible With: HK VP9, VP9SK, VP40 HK P30, P30L, P30S, P30SK HK45, HK45 TacticalHKP-18832$49.95
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...HKP-12706$49.95Out 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...HKP-17656$0.00
HK USP, USP Compact Complete Mag Lockout Device
H&K Heckler & Koch
$19.95H&K HK USP/USPC Complete Mag Lockout Device Easily installs and replaces the existing lanyard to the newer style lock out upgrade for the magazine lockout. Used to comply with certain state's laws...HKP-16397$19.95