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 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 -
On Sale
Thread Protector - .40 S&W - Tactical Texas Style - 14.5x1 LH
USA
Now: $22.46Was: $24.95HKP .40 S&W Tactical Texas Style Thread Protector - Threaded 14.5x1 LH The Texas style thread protector features raised knurling, distinguishing it from the standard HK Style with flat knurling. Made...HKP-19907Now: $22.46Was: $24.95 -
On Sale
HK VP9, P30, HK45C HD XR Night Sight Set - Orange Front Outline
Trijicon
Now: $152.96Was: $169.95Trijicon HK VP/45C/P30 HD XR Night Sight Set - Orange Front Outline The Trijicon HD XR Night Sights were specifically designed with the ever-evolving challenges of law enforcement agencies in mind...HKP-18270Now: $152.96Was: $169.95 -
HK P30, P30L, P30S Backstrap - Small
H&K Heckler & Koch
$29.95Heckler and Koch Small Black Backstrap for HK P30, P30L, P30S NewHKP-01571$29.95 -
On Sale
HK USP Mag Pouch - Single
Comp-Tac
Now: $35.96Was: $39.95Comp-Tac HK USP Single Mag Pouch The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The Comp-Tac single...HKP-17494Now: $35.96Was: $39.95 -
HK45 Compact, USP Compact, P30 Recoil Spring Washer Retainer
H&K Heckler & Koch
$9.95New HK German Recoil Spring Washer Retainer This is the retaining washer that holds the spring captive on the end of the recoil assembly and pushes against the recoil spring. Compatible With:HKP-01594$9.95 -
On Sale
HK416, MR556 Compensator Flash Hider - Threaded 1/2x28
HKP HK Parts
Now: $17.96Was: $39.95HKP HK Parts .556 / .223 Compensator Flash Hider - Threaded 1/2x28 Threaded in 1/2x28, this compensator is compatible with HK 416, MR556, and other AR-style applications. The blitz compensator is...HKP-18468Now: $17.96Was: $39.95 -
On Sale
HK G36, SL8 Cocking Handle Axle Pin - USA
USA
Now: $6.98Was: $10.95HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear...HKP-18367Now: $6.98Was: $10.95 -
HK UMP Firing Pin Retainer Pin
H&K Heckler & Koch
$9.95HK UMP Firing Pin - Retainter Pin This is the pin that trips the trip lever on the UMP lower.HKP-01894$9.95 -
Out Of Stock
HK91, G3 - 15 Round Magazine
H&K Heckler & Koch
$59.95HK G3, HK 91, PTR91 - 15 Round Magazine The HK G3, 91, PTR magazine is made by PTR from a German aluminum HK magazine and converted to 15 rounds. Perfect for states such as NJ that only allow a 15...HKP-17006$59.95 -
HK91, G3 Handguard - Slimline Style- Used Surplus
H&K Heckler & Koch
$14.95Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield In used condition. For the money, these are a nice addition to the collection. Compatible With: All full forearm...HKP-18315$14.95 -
Out Of Stock
PTR Standard Stock Buttpad
PTR
$39.95HK U.S. Made Standard Stock Butt pad Perfect for A2 fixed stocks. This item is hard rubber and softer than a factory standard butt pad - that is hard plastic only and prone to cracking. Super durable...HKP-00375$39.95