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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On Sale
HK MP5 Magazine Spring - .22LR - 10 Round
HKP HK Parts
Now: $2.95Was: $3.95HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...HKP-20297Now: $2.95Was: $3.95 -
HK MP7 Retractable Buttstock
H&K Heckler & Koch
$199.95H&K HK MP7 Retractable Stock New Rare HK MP7 - 1 Position - Retractable Buttstock Compatible With: All MP7A1 and MP7A2 FirearmsHKP-18552$199.95 -
HK Pistol Field Cleaning Kit - .40 S&W
H&K Heckler & Koch
$49.95H&K HK .40 S&W Pistol Field Cleaning Kit This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Each Kit Includes The Following Parts: Saf-T-Clad cleaning rod Accessory adapter section...HKP-01483$49.95 -
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
Picatinny Battle Sight - HK Front Folding
Troy Industries
Now: $107.95Was: $119.95Troy Industries Tritium Front Folding BattleSight – HK Durability and dead-on accuracy have made the Troy Industries HK Front Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Please Note: It will not work...HKP-00031Now: $107.95Was: $119.95 -
HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style - RAL8000
H&K Heckler & Koch
$134.95H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on the market. HK has hit a home run with their...HKP-17693$134.95 -
HK416, MR556, HK417, MR762 Carrying Sling - FDE
H&K Heckler & Koch
$169.95Heckler and Koch HK416, HK MR556, HK417, and HK MR762 Carrying Sling - FDE Compatible With: HK416, HK MR556 HK417, MR762 HK CR556 HK G28 Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the...HKP-18491$169.95 -
On Sale
HK G36, SL8 Cocking Handle Axle Pin - USA
USA
Now: $7.95Was: $10.95HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 models HK SL8 modelsHKP-18367Now: $7.95Was: $10.95 -
Out Of Stock
HK91, G3 - 15 Round Magazine
H&K Heckler & Koch
$59.95HK G3, HK 91, PTR91 - 15 Round Magazine The HK G3, 91, PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15 round mag capacity. As an added bonus this magazine comes...HKP-17006$59.95 -
HK91, G3 Fixed Buttstock, Complete with Enhanced Heavy Buffer - 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
PTR Standard Stock Buttpad
PTR
$39.95HK U.S. Made Standard Stock Butt pad Perfect for A2 fixed stocks. This item is hard rubber and softer than a factory standard butt pad - that is hard plastic only and prone to cracking. Super durable and better than factory HK. This is the perfect...HKP-00375$39.95 -
Out Of Stock
HK33, HK53, HK93 Magazine Spring - 25 Round
H&K Heckler & Koch
$11.95HK 93, 33, & 53 Magazine Replacement Spring For 25-Round Magazines Hard to find and a must-have spare for your HK mags. No longer in production.HKP-00483$11.95