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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HKP HK MP5 40 Locking Roller -4
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...HKP-17561$11.95 -
Out Of Stock
HK 45 HD Night Sight Set - Orange
Trijicon
$159.95Trijicon HK 45 HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three dots green tritium night sight sets front sight features a taller blade and an aiming point ringed in...HKP-14556$159.95 -
On Sale
HK Pistol Extended Magazine Carrier - .45 S&W - Large
NeoMag
Now: $19.95Was: $34.95NeoMag Extended Large .45 Magazine Carrier The NeoMag magazine carrier is the original magnetic pocket magazine holder. Compatible With: All steel bodied single and double stack magazines in .45 ACP Features: Titanium pocket clip - standard...HKP-18377Now: $19.95Was: $34.95 -
Ultra-Compact Handgun Light and Laser - LED - Red
Surefire
$404.99Surefire, XC2 Weaponlight, Pistol, 300 Lumen LED, Light/Laser Combo, Black The XC2 is SureFire's smallest, most lightweight handgun light with an integrated laser. It features a recoil-proof LED that's focused by a multi-faceted reflector to create our...HKP-18742$404.99 -
On Sale
HKP 30 Round HK VP9/P30 Complete 9mm Magazine Magazine - Translucent
HKP HK Parts
Now: $59.95Was: $67.95HKP 30 Round HK VP9/P30 Complete 9mm Magazine Magazine - Translucent New HK German VP9/P30 Magazine body combo; pre-installed along with the HK Parts 30 round mag translucent polycarbonate extension kit fully installed. Each offering is complete, fully...HKP-18242Now: $59.95Was: $67.95 -
HK SL8, G36 Front Sight
H&K Heckler & Koch
$19.95HK German SL8/G36 (G36,G36K,G36C & SL8) Front Sight Post - New This item is the replacement polymer front sight post for the HK sight rails.HKP-00638$19.95 -
HK G36, SL8 Recoil Spring Assembly, Complete
H&K Heckler & Koch
$69.95Recoil Rod Assembly for HK G36 & SL8 New HK factory German G36/SL8 (fits all variants of SL8/G36) recoil rod assembly complete. Great for replacement or for a spare as these have been hard to find.HKP-01057$69.95 -
Out Of Stock
HK G36C Barrel Conversion and Front End Kit - 5.56 / .223 - 8.9" - Threaded 15x1
HKP HK Parts
$889.95G36C Barrel Front End Barrel Kit - 223/556 New production HK G36C style barrel conversion kit and front end kit. Each kit will include the necessary parts to build a G38/SL8 variant into the G36KC barrel length variant as pictured. All you need is this...HKP-18228$889.95 -
HK UMP, USC Sling Pin, Stock Block B - QD
HKP HK Parts
$74.95Quick Detach Sling Pin for Stock Block B - USC, UMP This Ambidextrous QD Sling Pin allows you to replace your Push Pin Style or Eyelet Sling Loop - Style Pin in your Stock Block B for use of a QD Sling.HKP-18776$74.95 -
HK UMP Mag Release - Enhanced - Billeted - 9mm / .40 S&W / .45 ACP
HKP HK Parts
$34.95HK UMP Paddle Magazine Release - Enhanced This is a very common replacement part as they are fairly easy to break on the UMP lower. With this new mag release, you'll get a wider release as well as a much more durable part. Simple & easy to install no...HKP-18758$34.95 -
HK91, G3 Complete Fixed Stock with Enhanced Heavy Buffer- Black - Surplus
H&K Heckler & Koch
$269.95German G3, 91, PTR Stock complete - Surplus Used black German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition and each stock includes all parts to be a complete stock ready to use on your HK G3, 91,...HKP-16269$269.95 -
Out Of Stock
HK53, HK51 Vented Handguard - Vertical
H&K Heckler & Koch
$149.95HK German HK53, HK51 Vented Hand Guard - Vertical Style This HK German part is the proper length for use on the HK 53 or HK51 length receivers. The handguard is vented on all 3 sides to promote barrel cooling and provide additional grip. Compatible...HKP-00469$149.95