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
-
Out Of Stock
HK MP5 Magazine - 30 Round - .40 S&W, 10mm - Gray - Used
H&K Heckler & Koch
$159.95H&K Heckler & Koch 30 Round Magazine for HK MP5 .40/10mm - Gray - USED These magazines are no longer available, and we have just a few remaining units. Once they are gone, they are gone for good.HKP-01726$159.95 -
On Sale
HK MP5 Dual Magazine Clamp Conversion Screw - G3 to MP5 Mags
HKP HK Parts
Now: $2.07Was: $2.95HKP Dual HK MP5 Magazine Clamp Conversion Screw This screw converts a HK91, G3, PTR dual magazine clamp (HKP-19634) into the correcHKP-20318Now: $2.07Was: $2.95 -
On Sale
HK VP9, VP40 Grip Wrap for Large Backstraps - Granulate
Talon Grip
Now: $18.00Was: $19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Large Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm, improving performance, safety, and...HKP-20242Now: $18.00Was: $19.99 -
HK45C, HK45C Tactical Barrel - .45 ACP - 5.6" - Threaded 16x1 LH
RCM
$250.00RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH US-made HK45C & HK45C Tactical threaded barrel, compatible with a range of flash hiders and sound suppressors. Unlike the factory HK45C TaHKP-20131$250.00 -
Out Of Stock
HK VP9, P30, HK45C Front Sight - HD XR Night Sight - Orange
Trijicon
$100.99Trijicon HD XR Front Sight - HK .45C, P30, VP9 (Excluding VP9 Optics Ready) - Front Sight Only: Orange Outline / Green Tritium The Trijicon HD XR night sights were specifically designed with the ever...HKP-20075$100.99 -
HK VP9, VP40 Backstrap - Medium - FDE
H&K Heckler & Koch
$27.95H&K VP9, VP40 Backstrap - Medium - FDE New HK German manufacture Compatible With: HK VP9 HK VHKP-18119$27.95 -
Out Of Stock
HK Mark 23, SOCOM Firing Pin
H&K Heckler & Koch
$51.95New HK German Mark 23 Firing Pin A great item to have on hand as these are a common wear item. Compatbile With: Mark 23HKP-01670$51.95 -
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 sightsHKP-16588$45.95 -
Streamlight TLR-4 Tactical Light and Laser Combo - Green
Streamlight
$319.95Streamlight TLR-4 Tactical Light and Laser Combo - Green Compact weapon-mounted light and green laser combination unit featuring a white LED and integrated green aiming laser. Designed for...HKP-16914$319.95 -
HK G36 Carrying Handle, Incomplete - No Single Optic
H&K Heckler & Koch
$149.95HK G36, SL8 Single Optic Carrying Handle Incomplete The optic housing- no optic included.HKP-16379$149.95 -
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 custHKP-16351$99.95 -
Out Of Stock
HK UMP Lower Backplate
H&K Heckler & Koch
$34.95HK Heckler and Koch .40 S&W, .45 ACP, 9mm Lower Backplate for HK UMP HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.HKP-16473$34.95