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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HK53 Recoil Rod Assembly - Steel
USA
$44.95HKP HK53 Recoil Rod Assembly - Complete - Steel US-made HK53 recoil rod assembly built to correct HK specifications. The steel rod is micro-polished and uses serviceable end caps for easy spring replacement. Each unit includes a factory German HK53...HKP-16752$44.95 -
HK German Sling Hook
H&K Heckler & Koch
$8.95H&K German Sling Hook New old stock HK German sling hook. Made from steel not the cheap aluminum or zinc offerings found elsewhere. Made in Germany. Great For HK sling projects and for spares. The real deal. This is the sling hook that all others...HKP-19433$8.95 -
HK 416 Magazine - .22LR - 50 Round - Translucent
BDM Black Dog Machine
$99.95HK, Walther, Umarex HK416 50 Round - .22 LR Magazine Made in the USA by BDM exclusively for HK Parts. Using an existing drum model that is tried and true. This is the only drum ever to be offered for these firearms listed below. Compatible With: HK416 ...HKP-16236$99.95 -
HK45, HK45 Tactical Magazine - 10 Round - .45 ACP
H&K Heckler & Koch
$59.95Heckler and Koch HK45 10 Round Magazine The HK45 is the newest .45 caliber pistol HK manufactures. This is the largest mag capacity magazine available for the HK45 and HK45 Tactical pistol. Compatible With: HK45 HK45 Tactical NOT compatible with...HKP-00958-M$59.95 -
HK33, HK53, HK93 Magazine - 30 Round - Steel
H&K Heckler & Koch
$72.95HK93, HK33, & HK53 - 30 Round Magazine HK Factory German. All-steel latest production magazine and hard to find. This magazine was discontinued in 2021 and is no longer in production. Stock up as we have the last remaining units available...HKP-00484$72.95 -
HK MP5K, SP89, SP5K Vertical Foregrip - 9mm
H&K Heckler & Koch
$98.95HK German Factory MP5K & SP89, PDW Vertical "K" Grip The "K" Grip will also fit the MP5, HK94, and HK53 with the use of a K-Grip adapter (see below), all NFA rules apply. This uses the standard HK small push pin to attach to the cocking tube...HKP-00387$98.95 -
Maglula Universal Magazine Loader
Maglula
$34.95Maglula Universal Magazine Loader The UpLULA mag loader is a military grade-quality universal pistol magazine loader and unloader designed for loading and unloading almost all 9mm Luger up to .45 ACP magazines, single and double stack, and 1911's of all...HKP-14531$34.95 -
Holex Feeler Gauge Set - 20 Piece - German
HKP HK Parts
$14.95Holex Feeler Gauge Set - 20 Piece - German The perfect companion tool for all HK roller lock firearm owners. Each tool includes 20 feeler gauges from .05mm-1.0mm in .05 increments. To help users and shooters maintain the factory recommended bolt gap...HKP-17212$14.95 -
Out Of Stock
HK VP9 Barrel or Thread Protector O-Ring - Green
H&K Heckler & Koch
$4.95HK German 9mm barrel O-ring - Green For thread protector or barrel slot on the Elite barrel. The o-ring is a high wear and replacement item. Stock up at the lowest price in the country. To save even more order 10 or more and get an additional $1 off per...HKP-19729$4.95 -
Out Of Stock
HK90 Series Front Sight Sling Loop
H&K Heckler & Koch
$39.95H&K Sling Loop For Front Sight Tower - 90s series This HK OEM item is brand new and not surplus or used. This is a must-have item for all of your re-barrel jobs, or for when you need to mount a sling loop to an HK build. This item is offered at the...HKP-00144$39.95 -
Out Of Stock
HK33, HK53, HK93 30 Round Magazine
AC-Unity
$19.95AC-Unity 30 Round HK33 Magazine The AC-Unity HK33 magazine is formed from an advanced polymer-resin/granulate that is lightweight and shock resistant. Metal parts are hardened and corrosion resistant. These magazines have a long lifespan, capable...HKP-21636$19.95 -
HK VP9, P30 Magazine Extension Kit - +5 Round
HKP HK Parts
$39.95 - $54.95HK Magazine Extension +5 Capacity For HK VP9, VP40 & P30, P30L The new and improved Gen 2 Model is now shipping! HK Parts magazine extension +5 kit adds five additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate and...HKP-21108-M$39.95 - $54.95