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 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 -
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 -
HK45 Compact, USPC Pistol Trigger
H&K Heckler & Koch
$34.95HK Compact Pistol Trigger Compatible With: HK45 Compact HK USP Compact 9mm HK USP Compact 40 HK USP Compact .357 HK USP Compact .45HKP-01768$34.95 -
On Sale
SIGTAC Belt Loop Adapter
Sig Sauer
Now: $8.95Was: $14.95Sig Sauer SIGTAC Belt Loop ITAC Belt loop adapter attaches to any of Sig's paddle retention holsters and mag pouches as a direct replacement of the paddle for closer profile concealed carry. This part allows you to hang holsters/mag pouches from your...HKP-02039Now: $8.95Was: $14.95 -
HK VP9/P30 Compact Holster - Paddle - LH
Safariland
$59.95Safariland HK VP9/P30 Compact LH Paddle Holster The Safariland 578 GLS HK Pro-fit holster is a multi-purpose holster primarily designed for concealment & comfort. With minor adjustments with the included tool the holster will fit over 100+ handgun...HKP-17545$59.95 -
HK USP Fiber Optic Rear Sight - Red
Hi-Viz
$49.95Hi-Viz HK USP Fiber Optic Rear Sight - Red Fiber optic sights are becoming more and more popular as they never dim or become aged. Priced right and a great option for those that needs more from their sights. Compatible With: USP Compact 45, 40, 9mm USP...HKP-16941$49.95 -
HK USP Compact V3 Control Lever
H&K Heckler & Koch
$32.95HK USPC V3 Control Lever Compatible With: HK USP Compact 9mm HK USP Compact 357 SIG HK USP Compact 40 S&W HK USP Compact 45 ACPHKP-01436$32.95 -
HK SP5K Spec Only 9mm 2 Position (0,1 Pictogram) FBI Style Grip Trigger Housing
H&K Heckler & Koch
$194.95H&K SP5K Spec 9mm 2 Position (0,1 Pictogram) FBI Style Grip Trigger Housing Upgrade your HK SP5K with this authentic German FBI style grip housing, designed specifically for the SP5K model. Compatible with all HK German ambidextrous trigger packs and...HKP-18307$194.95 -
HK MP5K 3-Position Folding Adjustable Stock
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG...HKP-18243$494.95 -
HK MR556, MR762 H-Key 11 Rail Segment
HKP HK Parts
$34.95HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment 11 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...HKP-17845$34.95 -
HK MR556 Bolt Head, Complete
H&K Heckler & Koch
$384.95H&K HK MR556 A1 Complete Bolt Head Brand new factory German bolt head with all the components to make the bolt head complete. Compatible With: HK MR556 A1/A4HKP-02712$384.95 -
Out Of Stock
HK416, MR556 M-LOK 9" Handguard
HKP HK Parts
$199.95HK MR556 & HK416 9" M-LOK Forearm Specifications: Weight: 10.2 oz MADE IN THE USA BILLET MACHINED MUCH LIGHTER THAN THE HK FACTORY FOREARM OFFERINGSHKP-17981$199.95