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 VP9, HK P30 Magazine - 20 Round - 9mm
H&K Heckler & Koch
$59.00HK VP9 &P30, P30L, P30S - 9mm - 20 Round Complete Magazine New HK German Manufactured & Factory Fresh Production. Each factory HK magazine holds 20 rounds for use in all VP9, P30, P30L, P30S 9mm Models. Each magazine is marked with the...HKP-18917$59.00 -
HK Armorer Pin Punch Set - Universal
RennSteig
$34.95Metric Parallel Pin Punch Set With Guide Sleeves - German Manufacture - 8 Piece This punch set is the exact same set used in the HK Armorer classes and approved by HK for use when installing & removing the roll pins from HK pistols & rifles...HKP-16737$34.95 -
HK MP5, G3, 93 Optic Mount - Micro Ultra-Low - MFI
MFI
$110.95MFI Ultra Low-Profile Red Dot Mount - Aimpoint/Primary Arms/Vortex/Burris The MFI ultra-low-profile scope mount offers the lowest profile of any HK scope mount available. This mount is specifically designed for the AimPoint H-1 or H-2 red dot with...HKP-17962$110.95 -
Out Of Stock
HK MP5, HK416 Barrel Adapter - .22LR - Converts Thread 8x.75 to 1/2x28
USA
$29.95HK/Walther/Colt .22LR Threaded Barrel Adapter - Converts 8x.75 To 1/2x28 This custom adapter allows you to easily convert your .22LR barrel from 8x.75 to 1/2x28 threads. It replaces the stock flash hider and provides a secure, permanent mounting option...HKP-01845$29.95 -
HK90 Series Push Pin - Buttstock
H&K Heckler & Koch
$3.95H&K 90 Series Butt Stock Push Pin Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. Large push pins are for the stock and the small push pin is for the forearm and lower. The HK German genuine push...HKP-18038$3.95 -
On Sale
HK P30L Compensator - Gen 2 - Rail Mount - 9mm / .40 S&W - Red
HKP HK Parts
Now: $99.95Was: $184.95HKP HK P30L 9mm/.40 S&W Gen 2 Rail Mount Compensator - Red Crafted from aircraft grade billet aluminum and finished with a durable Cerakote coating, this compensator is designed to seamlessly integrate with the sleek lines of the Heckler &...HKP-19067-RENow: $99.95Was: $184.95 -
HK MP5 .22 Magazine Spring - 25 Round
HKP HK Parts
$3.9525 Round HK MP5 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. Please note: This spring can be used to convert the 10-round magazine to...HKP-02786$3.95 -
HK416 .22LR Pistol Brace and Stock Adapter - AR-15 Style
HKP HK Parts
$34.95HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter Specifications: Made in the USA Easy to install no gunsmithing required machined from solid billeted alloy Hard coat anodized for a lifetime of use Compatible With: AR 22, HK /Walther 416 ...HKP-17442-M$34.95 -
HK Stock Pin Bushing Weldment
HKP HK Parts
$3.95HK Stock Push Pin Bushing Weldment All-steel stock pin bushing weldment for welding in the rear of the flat. This bushing welds into the folded flat and guides the large push pin through the receiver to hold the stock to the receiver. Compatible...HKP-17573$3.95 -
Out Of Stock
HK MP5K Locking Piece - #28, 80 Degree
RCM
$34.95RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree This part is used in conjunction with a suppressor and 147-grain or heavier ammunition. This item is made 100% here in the US from enhanced steel and heat treated to the proper specifications...HKP-02190$34.95 -
HK VP9, P30 Magazine - 15 Round - 9mm
H&K Heckler & Koch
$49.95HK VP9, VP9L & P30, P30L, P30S 9mm - 15 Round Magazine New HK German manufacture and factory fresh production. Each factory HK all-steel-bodied magazine holds 15 rounds of 9mm ammunition for use in all P30, P30L, P30S & HK VP9 9mm models...HKP-00305-M$49.95 -
Out Of Stock
HK VP9, P30 15 Round to 17 Round Magazine Conversion Kit
H&K Heckler & Koch
$34.95HK Magazine Conversion Kit - VP9/P30 - 15 round to 17 round Factory OEM German HK Magazine Upgrade Conversion Kit that allows the end user to convert an existing VP9/P30 15 round magazine body/magazine to 17 round capacity. Each kit will allow the...HKP-19715$34.95