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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HK USP, P2000, HK45C Enhanced Magazine Release
HKP HK Parts
Now: $22.46Was: $44.95HKP Enhanced Magazine Release -HK USP, P2000, HK45C HK Parts Enhanced and Over-sized Magazine Release. The over-sized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of...HKP-21491-MNow: $22.46Was: $44.95 -
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. Weighing in at a scant 4.5 ounces, you will never feel...HKP-19134$129.95 -
HK417, MR762 Magazine - 10 Round
H&K Heckler & Koch
$59.00Heckler and Koch HK MR762, HK417 10 Round Magazine - German HK Genuine HK German 10 round MR762 magazine. Compatible With: MR 762 HK 417 HK G28HKP-02590$59.00 -
Out Of Stock
HK UMP, USC Barrel Roll Pin
H&K Heckler & Koch
$11.94Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP and USC...HKP-00603$11.94 -
HK MP5 .22LR Handguard - M-LOK
HKP HK Parts
$169.95HKP HK Parts and Heckler and Koch M-LOK Forearm for HK MP5 .22LR HK Parts brings you a long overdue option for all the MP5 .22LR owners. Our new forearm takes the classic MP5 plastic forearm aesthetics from the MP5 .22LR and combine it with M-LOK...HKP-21260-M$169.95 -
HK416, MR556 Ejection Port Cover - FDE
H&K Heckler & Koch
$59.95HK German HK 416, MR556 Ejection Port Cover In FDE HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556's. This item can also be used on other AR15 style projects to enhance the build with the finest ejection port...HKP-18062$59.95 -
HK91, G3, PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used
Rheinmetall
$12.95Rheinmetall HK G3, HK91, & PTR91 - 20 Round Magazine - Used Perfect for your HK G3/PTR style firearm. The G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. LAST CALL! Compatible...HKP-21840$12.95 -
HK USPC, P2000 Magazine with Pinky Rest - 9mm - 10 Round
H&K Heckler & Koch
$59.95USP Compact & P2000 9mm Magazine – Complete (10-Round with Extended Floor Plate) Brand new HK German manufactured. Meets the requirements of areas with high capacity 10-round magazine restrictions. Compatible With: HK USP Compact 9mm HK P2000...HKP-01460-M$59.95 -
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 parts are German HK manufacture with the exception of the...HKP-19365$79.95 -
Out Of Stock
HK MP5SD Locking Piece #5 - 120 Degree - 9mm
RCM
$34.95MP5SD 120 Degree Locking Piece - US This locking piece is a US made version of the factory German MP5SD 120 degree locking piece. This was the German locking piece that was marked #5 when HK Germany used to make them. Each locking piece is made here in...HKP-16715$34.95 -
HK UMP Magazine - 25 Round - .45 ACP
H&K Heckler & Koch
$145.95New HK Heckler and Koch Non-LE, Mil Marked .45 ACP 25 Round Magazine for HK UMP The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible With: HK UMP .45 HK USC to UMP . 45...HKP-00605$145.95 -
Out Of Stock
HK MP5, MP5K, APC Flash Hider - 3 Lug - Quick Detach - 9mm
B&T Brugger & Thomet
$135.00B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach This flash hider slips over the end of the 3-lug barrel and with a light push and a 1/4 turn the flash hider attaches to the end of the tri-lug. Easy off and on installation and removal with a...HKP-16902$135.00