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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HK MP5, HK94 A3 Retractable Buttstock - Gen 2
H&K Heckler & Koch
$939.95HK94, MP5 Stock - A3 - Gen 2 The original Navy-style German HK MP5 A3 stock is no longer in production and have been replaced with the MP5 F-style stock. Each offering is the second generation MP5 A3...HKP-00167$939.95 -
HK USP, Mark 23 Magazine - 17 Round - Enhanced - .45 ACP
HKP HK Parts
$113.95HKP 17 Round HK USP .45 ACP/Mark 23 Enhanced Magazine Our 17 round magazine starts life as a factory HK 12 round magazine then gets a capacity bump with our +5 mag extension. Compatible With:HKP-21459-M$113.95 -
HK VP9, VP9L, VP9SK Night Sights - Suppressor Height - Orange
XS Sights
$137.95Minimalist Orange - HK VP9, VPL, VP9SK Optics Ready Suppressor - Tritium Night Sights - XS Sights XS Minimalist sights for HK VP9 OR (Optics Ready) pistols are regulated to be lower 1/3 co-witness on...HKP-19407$137.95 -
Out Of Stock
HK USPC, P2000, P2000SK Magazine - 9mm - 10 Round - Flat Floorplate
H&K Heckler & Koch
$49.00HK USPC, P2000 Magazine - Flat Floorplate - 9mm - 10 Round This HK Heckler and Koch magazine is must have addition for your firearm. Features: <HKP-01476$49.00 -
HK VP9, P30, USP Compact, P2000 9mm Magazine Locking Plate
H&K Heckler & Koch
$5.959mm Magazine Locking Plate New HK German factory part. This is the locking plate for the bottom of the magazine spring. Compatible With: VP9 15HKP-01585$5.95 -
Out Of Stock
HK P2000 to HK P30, VP9 Magazine Adapter
X-Grip
$15.95X-Grip HK P2000 to P30/VP9 Magazine Adapter The XGRIP P2000 is a new patent pending OEM factory accessory for the HK P2000 that enhances the versatility, look, and feel of the gun. Features:HKP-16670$15.95 -
HK VP9, VP40 International Holster - Comp Carry
Comp-Tac
$79.95Comp-Tac HK VP9/VP40 International Comp Carry Holster At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or...HKP-20013-M$79.95 -
On Sale
Pack of 10 Polish Signal Flares - 26.5MM
Other
Now: $44.96Was: $74.95Pack of 10 Polish Signal Flares - 26.5MM Includes an original, sealed pack of 10 Polish signal flares. The pack of 10 Polish military surplus flares include 2 of each of the following: White...HKP-20793Now: $44.96Was: $74.95 -
Out Of Stock
HK MP5K Stock Adapter - Tailhook KES
Safety Harbor Firearms
$279.95KES HK MP5K Tailhook The all-new KES for the MP5k is designed to fit HK clones with two pins affixing the rear receiver cap. Specifications: Guide rods slide intoHKP-21089$279.95 -
Out Of Stock
Tailhook Mod 1 Brace
Gear Head Works
$129.95Gear Head Works Tailhook Mod 1 The GHW Tailhook clamps to pistol buffer tubes or adapter spuds ranging from 1.17" to 1.2" in diameter. It features a limited rotation sling swivel QD socket as well...HKP-19134$129.95 -
HK VP9SK, P30SK Magazine - 13 Round - 9mm
H&K Heckler & Koch
$49.00HK VP9SK & P30SK 9mm - 13 Round Magazine New German HK manufacture 13 Round 9mm P30SK, VP9SK magazine. Compatible With: P30 SK HK VP9SKHKP-18495$49.00 -
HK MP5, SP5 Rear Sight Set, Complete
H&K Heckler & Koch
$79.95MP5, HK94 and SP5K Rear Sight Set Complete - US and Germany Each rear sight set includes the entire rear sight assembly and all the mounting hardware for the complete MP5 rear sight assembly. All...HKP-19365$79.95