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
HKP Hat - Snapback - Flat Brim - OSFM - Black
HKP HK Parts
Now: $10.09Was: $19.95HKP Flat Brim Snapback Hat - OSFM - Black Get your hands on some of our premium hats! Features: Official HKP merchandise 100% cottonHKP-20717Now: $10.09Was: $19.95 -
HK45C, P30 International Holster - RH
Comp-Tac
$84.95Comp-Tac HK P30/HK45C International RH Holster - Black The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to...HKP-19585$84.95 -
HK SL8, G36, Sight Rail - Flip Up Sights
H&K Heckler & Koch
$598.95HK Heckler and Koch Aluminum Sight Rail with Front and Rear Flip Up Sights for HK SL8, G36 New production German HK SL8, G36 picatinny rail with flip up front and rear sights. The latest production...HKP-17718$598.95 -
On Sale
HK VP9L Compensator - Quick Detach
HKP HK Parts
Now: $74.96Was: $169.95HK VP9L - Quick Detach Comp Weight ™ EASY ON, EASY OFF - QUICK DETACH TECHNOLOGY The HK Parts VP9L, Comp Weight™/compensator is the world's first quick detach Comp Weight™, compensator. That slides...HKP-19129Now: $74.96Was: $169.95 -
HK USP Holster - CT2H - 9mm, .40 S&W - RH
Comp-Tac
$129.95CT2H Holster - Right Hand - USP Full Size / Tactical Slide 9mm, .40 The CT2-H is a level 2 holster that uses friction retention and a thumb release hood to prevent unintentional removal of your...HKP-20296$129.95 -
HK416 Handguard - Super Modular Rail - 14.5" - M-LOK
Geissele
$504.00Geissele HK416 Super Modular M-LOK 14.5" Rail The Super Modular Rail HK416 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK...HKP-19806$504.00 -
HK MP5 Bolt Group, Complete - .40 S&W, 10mm
HKP HK Parts
$414.95RCM- MP5 40 & MP5 10mm - Bolt Group Complete Ideal to replace out of spec, worn, or broken bolt groups or for that custom build. Includes: RCM bolt head completeHKP-19723$414.95 -
HK VP9, VP9SK, VP40 Trigger Housing, Complete - 9mm, .40 S&W
H&K Heckler & Koch
$89.95Heckler and Koch 9mm and .40 S&W Complete Trigger Housing for HK VP9, HK VP9SK and HK VP40 Enhance the performance of your HK VP9, HK VP9SK, or HK VP40 with this complete trigger housing. DHKP-16797$89.95 -
HK417, MR762 Recoil Buffer Spring
H&K Heckler & Koch
$24.95H&K HK MR762/417 Recoil Buffer Spring A must have wear and replacement part for your, HK 417 & MR762 firearm. Compatible With: HK MR762<HKP-16608$24.95 -
HK G28 Buffer Tube
H&K Heckler & Koch
$224.99Heckler and Koch HK G28 Buffer Tube / Receiver Extension New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range...HKP-16741$224.99 -
Out Of Stock
HK P30, P30L, P30S Backstrap - Medium
H&K Heckler & Koch
$29.95Heckler and Koch Pistol Medium Black Backstrap for HK P30, HK P30L, and HK P30S New HK German manufacture. Compatible With: P30 9mm and .40 cal<HKP-01755$29.95 -
HK416, MR556 Extractor
H&K Heckler & Koch
$74.95HK 416 & MR556 Bolt Head Extractor New HK - German Compatible With: HK MR556 HK 416 CR556 HHKP-00036$74.95