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
  • New - Meprolight HK VP9, P30, HK45 Night Sight Set - HKP-02225 HK VP9, P30, HK45 Night Sight Set
    Add to Cart

    HK VP9, P30, HK45 Night Sight Set

    Meprolight

    $99.99
    Meprolight Night Sight Set for HK VP9, HK45, and HK P30 Bright and 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-02225
    $99.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $99.99
    Subtotal:
  • Out Of Stock
    New - Surefire X300 Ultra LED Tactical Light - HKP-13486 X300 Tactical Light - Ultra LED

    X300 Tactical Light - Ultra LED

    Surefire

    $341.95
    Surefire X300 Ultra - LED Tactical Light Specifications: High-efficiency LED that generates 1000 lumens of brilliant white light Good reach and significant surround light for peripheral vision No filament to burn out or break with LED lights Generates...
    HKP-13486
    $341.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $341.95
    Subtotal:
  • Out Of Stock
    New - Ergo Picatinny Rail Hand Stop - HKP-14527 Picatinny Handstop

    Picatinny Handstop

    Ergo

    $11.95
    Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.
    HKP-14527
    $11.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • New - HKP MP5 AR Brace/Stock Adapter - HKP-17118 HK MP5 Stock or Brace Adapter - AR
    Add to Cart

    HK MP5 Stock or Brace Adapter - AR

    HKP HK Parts

    $114.95
    HKP MP5 AR Brace/Stock Adapter   Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock...
    HKP-17118
    $114.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $114.95
    Subtotal:
  • New - HKP Mil-Spec Buffer Tube Kit - HKP-02735
    Add to Cart

    AR-15 Mil-Spec Buffer Tube Kit

    HKP HK Parts

    $42.95
    Mil-Spec Buffer Tube Kit Compatible With: AR-15 style platforms Not correct length for HK rifles Includes: Made with T7 7075 aircraft-grade aluminum Made in the USA with a polished inside tube Mil-Spec triple hard coat Teflon anodized...
    HKP-02735
    $42.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • New - H&K CC9 Front Night Sight - HKP-22143
    Add to Cart

    HK CC9 Front Night Sight

    H&K Heckler & Koch

    $53.95
    H&K CC9 Front Night Sight Front tritium night sight for the H&K CC9 pistol. Provides improved visibility in low-light conditions.    Compatible With: HK CC9
    HKP-22143
    $53.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $53.95
    Subtotal:
  • New - Uzi Sling - HKP-21540 Uzi Sling
    Add to Cart

    Uzi Sling

    IMI

    $49.95
    Uzi Sling - New Old Stock Original IMI sling new old stock complete with steel buckle, two leather loops and steel tip keepers. Once they're gone, they're gone for good. Compatible With: Action Arms Uzi Micro & Mini SMG Model A&B...
    HKP-21540
    $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • New - XS Sight Systems HK VP9OR R3D 2.0 Night Sights - Green - HKP-21466
    Add to Cart

    HK VP9 R3D 2.0 Night Sights - Green

    XS Sights

    $137.49
    XS Sight Systems VP9OR R3D 2.0 Night Sights - Green Their second-generation R3D night sights are engineered to give you a brighter stronger set of sights. Easily install their sights with a set that requires 50% less force for installation. R3D sights...
    HKP-21466
    $137.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $137.49
    Subtotal:
  • On Sale
    New - IMI 25 Round UZI Magazine - New Old Stock - HKP-21232 UZI Magazine - 25 Round - New Old Stock
    Add to Cart

    UZI Magazine - 25 Round - New Old Stock

    IMI

    Now: $29.95
    Was: $48.95
    Uzi 25 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to help protect it against rust. These are the last...
    HKP-21232
    Now: $29.95
    Was: $48.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $29.95
    Was: $48.95
    Subtotal:
  • New - Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine - HKP-20915 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil Monkey
    Add to Cart

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil Monkey

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Feautres: Durable electro-plated black finish for exceptional corrosion resistance All...
    HKP-20915
    $43.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $43.95
    Subtotal:
  • New - GSG9 HK G36, HK G36K, HK G36C Full Auto Tungsten Filled Bolt Carrier - Black - HKP-19030 HK G36, G36K, G36C Bolt Carrier - Full Auto - Tungsten Filled
    Add to Cart

    HK G36, G36K, G36C Bolt Carrier - Full Auto - Tungsten Filled

    GSG9

    $549.95
    HK G36 Tungsten Filled - Bolt Carrier Complete - Full Auto Compatible With: G36 G36K G36C Will NOT work with a factory HK SL8
    HKP-19030
    $549.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $549.95
    Subtotal:
  • New - Viridian X5L Gen 3 Universal Laser & Light - Green - HKP-19562 X5L Gen 3 Universal Laser and Light - Green
    Add to Cart

    X5L Gen 3 Universal Laser and Light - Green

    Viridian

    $409.00
    Viridian X5L Gen 3 Universal Laser & Light - Green The new Viridian X5L Gen 3 is the latest version of the original green laser sight + tactical light combo. First launched in 2008 this family of products has continued to innovate through the years...
    HKP-19562
    $409.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $409.00
    Subtotal:
  • Total: items /

Adding your products to cart