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 UMP 2 Position Complete Lower
H&K Heckler & Koch
$579.95New HK German 2 Position Lower Complete New German Heckler & Koch UMP Lower. 2 position settings (S,F). Each lower comes complete with all the factory internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Compatible...HKP-19117$579.95 -
Out Of Stock
HK SL8 Complete Rear Sight
H&K Heckler & Koch
$99.95H&K HK SL8 Complete Rear Sight This item can be used on other applications as well as the SL8, G36 models.HKP-16354$99.95 -
On Sale
HK VP9, VP9SK VP40 Laserguard - LG-499 - Red
Crimson Trace
Now: $179.95Was: $199.95LG-499 RED LASERGUARD VP9, VP9SK, VP40 The LG-499 Laserguard® is a powerful red laser sight designed for the Heckler and Koch® (HK®) VP series of pistols including: VP9, VP9SK and VP 40. Featuring a5mW peak, 620-670nm, Class 3R red...HKP-18566Now: $179.95Was: $199.95 -
On Sale
HK VP9, VP40 Grip Wrap for Small Backstraps - Granulate
Talon Grip
Now: $16.95Was: $19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick...HKP-20249Now: $16.95Was: $19.99 -
On Sale
HK UMP Magazine Locking Plate - .45 ACP - US
USA
Now: $4.95Was: $6.95HK UMP .45 Magazine Locking Plate Made in the USAHKP-20136Now: $4.95Was: $6.95 -
Out Of Stock
HK VP9, P30, HK45 Optic Plate - Vortex Razor, C-More STS - Red Dot Pistol Mount - Dovetail
Evolution Gun Works
$49.95Evolution Gun Works HK VP9/P30/HK45/HK45C Vortex Razor Mount Replaces the factory rear sight to give a sturdy mounting platform for running a Vortex Razor optic. The mount presses into place (from left to right, with muzzle forward) in the same...HKP-20047$49.95 -
HK417, MR762, G28 Firing Pin
H&K Heckler & Koch
$64.95H&K HK MR762/417/G28 Firing Pin This firing pin is a must have wear and tear replacement item for your MR762 or HK 417 Firearm. Compatible With: MR762 HK 417 G28HKP-16613$64.95 -
Out Of Stock
HK P7 Series Drop Safety Catch
H&K Heckler & Koch
$67.95HK P7 Series Drop Safety Catch Compatible With: P7 PSP P7M8 P7M10 P7M13HKP-01356$67.95 -
HK VP9, P30, HK45 Tru-Dot Front Night Sight
Meprolight
$45.95Meprolight HK VP9/45/P30 Tru-Dot Front Night Sight Bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same...HKP-16588$45.95 -
HK P30 Series Grip Shell - Right - Large
H&K Heckler & Koch
$19.95HK P30, P30L, & P30S Left Grip Shell - Large Perfect for those who have slightly larger hands. Compatible With: HK P30 HK P30L HK P30SHKP-01576$19.95 -
On Sale
HK416, MR556, HK417, MR762 Brass Catcher
B&T Brugger & Thomet
Now: $260.95Was: $289.95B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard. If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...HKP-16899Now: $260.95Was: $289.95 -
HK G36, G36K Gas Block
H&K Heckler & Koch
$99.95HK G36E, G36K - Gas Block - German HK The real deal. HK German G36E, G36K Factory Gas Block. New uninstalled. Compatible With: SL8 Other G36 variants and custom builds and projectsHKP-16351$99.95