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
Streamlight Universal TLR-7 X Multi-Fuel Tactical Weapon Light
Streamlight
Now: $169.95Was: $199.95Streamlight Universal TLR-7 X Multi-Fuel Tactical Weapon Light Maximize your weapons platform with interchangeable rear paddle switches that allow you to customize your TLR-7 X to your shooting style. Specifications: Made in the USA 500 lumens; 140 m...HKP-21107Now: $169.95Was: $199.95 -
Out Of Stock
PTR Spike Front Sight Gen 2 - Orange
Blitzkrieg Components
$84.95Blitzkrieg PTR Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a modernized sighting system with enhanced precision and ease of use. Featuring a distinctive spike-tipped post and a bright Tritium dot with an orange...HKP-21105$84.95 -
Out Of Stock
HK VP9, P30 Magazine - 27 Round - Red - 9mm
HKP HK Parts
$104.95HKP 27 Round 9mm Complete Cerakote Red Magazine for HK VP9, HK P30 US-made 27-round magazine for HK VP9 and P30 series pistols. Built by combining a factory German 17-round steel magazine with the HKPARTS +10 alloy extension for a total capacity of 27...HKP-20612$104.95 -
B&T Folding Stock/Length Adjustable Helmet Stock Section - Used
B&T Brugger & Thomet
$49.95B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Section Used stocks taken from demilled Swiss Police MP5's. A great stock and value at a great price. Swiss made B&T folding and length adjustable helmet stock for the HK MP5, MP5K and...HKP-19784$49.95 -
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 rail option from HK. All metal and built to take a...HKP-17718$598.95 -
HK417, MR762 Rail System - DMR Free Floating
H&K Heckler & Koch
$949.95HK MR762, 417 Extended Free Floating Rail System New Heckler and Koch MR762, HK417, and G28 Extended DMR (designated marksman rifle). Forearm with flip up front sight and suppressor window Cutout. Optimized design to mitigate the heat emissions for long...HKP-17706$949.95 -
HK VP40 Left Side Charging Support
H&K Heckler & Koch
$4.95H&K HK VP40 Left Side Charging Support - Black Compatible With: HK VP40 NOT for the VP9HKP-17684$4.95 -
HK G36 Backplate Complete with Recoil Assembly
H&K Heckler & Koch
$199.95HK G36 Backplate Complete With Recoil Assembly New HK German G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also...HKP-16735$199.95 -
On Sale
HK MP5 LS5 Trigger Group, Complete - Semi Shelf
Lee Sporting
Now: $466.95Was: $549.95Lee Sporting LS5 Complete Trigger Group - MP5 Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...HKP-20465Now: $466.95Was: $549.95 -
On Sale
HK91 SBA4 Pistol Stabilizing Brace and Adapter
SB Tactical
Now: $271.95Was: $319.95SB Tactical HK91 SBA4 Pistol Stabilizing Brace & Adapter Includes: G3, HK91 backplate & recoil assembly AR, M4 stock adapter Complete buffer assembly Castle nut SB Tactical Brace Features: Made in the USA Designed after the SBM4 5-position...HKP-19931Now: $271.95Was: $319.95 -
On Sale
HK416 Handguard - Super Modular Rail - 14.5" - M-LOK
Geissele
Now: $452.95Was: $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 barrel nut, but incorporates the strength, rigidity and...HKP-19806Now: $452.95Was: $504.00 -
On Sale
HK MP5 Handguard With LED Weapon Light - Used
B&T Brugger & Thomet
Now: $359.95Was: $399.95B&T HK MP5 Handguard With LED Weapon Light - Used B&T model TL99CREE LED lit handguard for HK MP5, 94 models. Each unit handguard is built with the integrated tactical LED light & 3 position switch. Some lenses may be cracked, but...HKP-19605Now: $359.95Was: $399.95