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 MP5K Folding Brace - Skeletonized
B&T Brugger & Thomet / SB Tactical
$239.95SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized Factory Swiss B&T MP5K, SP5K folding pistol brace with the SB tactical/ B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with...HKP-21054$239.95 -
HKP 2 Point Leather Sling - OD Green
HKP HK Parts
$49.95HKP 2 Point Leather Sling - OD Green These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and...HKP-20164$49.95 -
On Sale
Sig Sauer P365 Stand Off Device
HKP HK Parts
Now: $49.95Was: $119.95HKP SIG P365 Stand Off Device The HK Parts P365 standoff is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is an excellent self-defense addition. Each unit is...HKP-19284Now: $49.95Was: $119.95 -
HK MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$99.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...HKP-19850$99.95 -
HK45 Thread Protector - .578x28 RH
HKP HK Parts
$19.95HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH U.S.-made titanium thread protector designed for .45 ACP barrels threaded .578x28 right-hand. Features a fully hooded profile that extends over the muzzle to protect exposed threads and the barrel...HKP-19514$19.95 -
HK VP9, VP9SK, VP40 Left Side Slide Release Lever
H&K Heckler & Koch
$19.95H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black New HK VP series German left side slide release lever for slide. Compatible With: HK VP9, VP9L HK VP9SK HK VP9A1 F HK VP9A1 K HK VP40HKP-16787$19.95 -
HK45C, HK45CT Barrel - .45 ACP - 4.5" - Threaded 16x1 LH
H&K Heckler & Koch
$339.95Heckler and Koch HK45 Compact Tactical Barrel - Threaded 16x1 LH New HK German HK45C threaded tactical barrel. A drop in barrel for the HK45 compact firearm. Features: Heckler and Koch Genuine Part Threaded For Use With Suppressors Threaded 16x1 LH Cold...HKP-01036$339.95 -
HK45, HK45T Magazine - .45 ACP - 13 Round - Red
HKP HK Parts
$89.9513 Round HK 45/45 Tactical .45 ACP Magazine - Red HK45 & HK45 Tactical +3 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 13 round HK45, HK45 Tactical magazine. Ideal for concealed carry,...HKP-18386$89.95 -
HK USPC, P2000 Magazine - .40 S&W - 10 Round - Flat Floorplate
H&K Heckler & Koch
$59.00H&K 10 Round HKP2000/USPC .40 S&W Flat Floorplate Magazine New HK German manufacture. Compatible With: HK USP Compact .40 S&W HK P2000 .40 S&WHKP-02377$59.00 -
HK P30, HK45, USPC Recoil Spring
H&K Heckler & Koch
$18.95New HK German Pistol Recoil Spring This part is ideal for repair or a replacement item as this is a high-wear item. This spring is the factory-correct flat-style compression spring. Compatible With: HK 45C, HK45C Tactical HK USPC .45, USPC Tactical HK...HKP-01673$18.95 -
HK51, PTR PDW Stock - Fixed
PTR
$299.95HK91 and PTR PDW (7.62x39) & (7.62x51/.308) Fixed Stock Each stock is constructed of new U.S. & German HK parts. This stock also counts as one U.S. 922r compliant part. Perfect for those that have registered sears or want to SBR your PDW pistol...HKP-02408$299.95 -
HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
HKP HK Parts
$8.95HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5 New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...HKP-18210$8.95