Parts

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
    New - HK MP5K Buffer Replacement - HKP-21041 - Choate

    HK MP5K, SP5K Buffer Replacement - Choate Stocks

    Choate

    $20.95
    HK MP5K & SP5K Buffer Replacement - Choate Stocks Choate factory replacement buffer kit for Choate MP5K and SP5K stocks only.
    HKP-21041
    $20.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • New - HKP 27 Round HK VP9, HK P30 9mm Magazine - Cerakote Red - HKP-20612 HK VP9, P30 Magazine - 9mm - 27 Round - Cerakote Red
    Add to Cart

    HK VP9, P30 Magazine - 9mm - 27 Round - Cerakote Red

    HKP HK Parts

    $104.95
    HKP 27 Round 9mm Complete Cerakote Red Magazine for HK VP9, HK P30 US-made 27-round magazine for HK VP9 and P30 series pistols. Built by combining a factory German 17-round steel magazine with the HKPARTS +10 alloy extension for a total capacity of 27...
    HKP-20612
    $104.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
  • New - HKP HK P30, HK P30L Comp Weight™ V1 Compensator Rail Adapter - Black - HKP-19038 HK P30, HK P30L Compensator - V2 - Rail Adapter
    Add to Cart

    HK P30, HK P30L Compensator - V2 - Rail Adapter

    HKP HK Parts

    $34.95
    HKP HK P30, HK P30L Comp Weight™ V2 Compensator Rail Adapter The HK Parts Comp Weight™ Compensator rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick detach lever. This is designed to...
    HKP-19038
    $34.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • New - H&K HK G36 Backplate Complete w/ Recoil Assembly - HKP-16735 HK G36 Backplate Complete with Recoil Assembly
    Add to Cart

    HK G36 Backplate Complete with Recoil Assembly

    H&K Heckler & Koch

    $199.95
    HK G36 Backplate Complete With Recoil Assembly New HK German G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also...
    HKP-16735
    $199.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • Used - H&K HK MP5 Rear Receiver Section - HKP-02147
    Add to Cart

    HK MP5 Lower Receiver - Section

    H&K Heckler & Koch

    $54.95
    HK MP5 Rear Receiver Section  HK German demilled receiver section with rear sight base as installed at the factory. The rear push pin section is still attached to the demilled receiver section.
    HKP-02147
    $54.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • On Sale
    New - HKP Flat Brim Snapback Hat - Gray & Red - HKP-20463 HKP Hat - Snapback - Flat Brim - Gray and Red
    Add to Cart

    HKP Hat - Snapback - Flat Brim - Gray and Red

    HKP HK Parts

    Now: $13.45
    Was: $19.95
    HKP Flat Brim Snapback Hat - Gray & Red Get your hands on some of our premium hats!  Official HKP merchandise 5" wide HKP logo 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM -...
    HKP-20463
    Now: $13.45
    Was: $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $13.45
    Was: $19.95
    Subtotal:
  • New - Geissele HK 416 M-LOK 10.5" Handguard - Black - HKP-19990 HK416, MR556 Handguard - 10.5" - M-LOK
    Add to Cart

    HK416, MR556 Handguard - 10.5" - M-LOK

    Geissele

    $472.00
    HK416 Super Modular Rail MK15 M-LOK - 10.5" The Super Modular Rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity...
    HKP-19990
    $472.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $472.00
    Subtotal:
  • New - Kinetic Development Group HK USC Conversion to ACR Stock Upgrade - FDE - HKP-19845 HK USC Conversion to ACR Stock Upgrade - FDE
    Add to Cart

    HK USC Conversion to ACR Stock Upgrade - FDE

    KDG Kinetic Development Group

    $459.95
    HK USC-UMP ACR Stock Adapter & ACR Stock Combo - Brown A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and...
    HKP-19845
    $459.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $459.95
    Subtotal:
  • New - Comp-Tac HK P30, HK45C Sport-Tac RH Holster - Black - HKP-19688 HK45C, P30 Holster - Sport-Tac - RH
    Add to Cart

    HK45C, P30 Holster - Sport-Tac - RH

    Comp-Tac

    $78.95
    Comp-Tac HK P30, HK45C Sport-Tac RH Holster The Sport-TAC Holster is a hybrid, inside-the-waistband holster designed to comfortably carry a 4? handgun at the 4-5 o'clock position. The Sport-TAC features a 600D interlock padded backing that provides...
    HKP-19688
    $78.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $78.95
    Subtotal:
  • New - HK VP9, VP9SK, HK VP40 9mm, .40 S&W Complete Trigger Housing - HKP-16797
    Add to Cart

    HK VP9, VP9SK, VP40 Trigger Housing, Complete - 9mm, .40 S&W

    H&K Heckler & Koch

    $89.95
    Heckler and Koch 9mm and .40 S&W Complete Trigger Housing for HK VP9, HK VP9SK and HK VP40  Enhance the performance of your HK VP9, HK VP9SK, or HK VP40 with this complete trigger housing. Designed for both 9mm and .40 S&W calibers, this...
    HKP-16797
    $89.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
    Subtotal:
  • New - H&K HK MR762/417 Recoil Buffer Spring - HKP-16608
    Add to Cart

    HK417, MR762 Recoil Buffer Spring

    H&K Heckler & Koch

    $24.95
    H&K HK MR762/417 Recoil Buffer Spring A must have wear and replacement part for your, HK 417 & MR762 firearm. Compatible With: HK MR762 HK 417
    HKP-16608
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • New - H&K P30/45 Series Cylindrical Grip Pin - HKP-01808
    Add to Cart

    HK45 Series, P30 Series Grip Pin - Cylindrical

    H&K Heckler & Koch

    $5.95
    H&K P30 & 45 Series Cylindrical Grip Pin  Compatible With: HK 45 HK 45 Compact HK P30 HK P30 V2 HK P30 V3 HK P30L HK P30L V2 HK P30L V3
    HKP-01808
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • Total: items /

Adding your products to cart