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 - HK MP5/94 3 Position Semi-Only Trigger Group 5 US Made Compliant Parts w/ Flat Trigger - HKP-19939 HK MP5, HK94 Trigger Group -  Flat Trigger - 3 Position - Semi-Only - 5 US Made Compliant Parts
    Add to Cart

    HK MP5, HK94 Trigger Group - Flat Trigger - 3 Position - Semi-Only - 5 US Made Compliant Parts

    $649.95
    Trigger Group - Semi-Only - 3 Position - 5 US Made Compliant Parts with Flat Trigger - MP5/94 Ambidextrous Trigger Group - Semi Auto - 5 U.S Parts Includes: Housing Hammer Sear Flat trigger Trigger box Push pin housing if c/p is needed please add the...
    HKP-19939
    $649.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $649.95
    Subtotal:
  • Out Of Stock
    On Sale
    New - Meprolight HK VP9, HK45, P30 FT Bullseye Sight - Green - HKP-19870 HK VP9, P30, HK45 Front Sight - Mepro FT Bullseye - Green

    HK VP9, P30, HK45 Front Sight - Mepro FT Bullseye - Green

    Meprolight

    Now: $78.95
    Was: $129.95
    Meprolight HK VP9, HK45, P30 FT Bullseye Sight - Green The Meprolight FT Bullseye Front Sight is a self-illuminated reflex-style front sight designed to replace traditional front and rear sight configurations. This single-sight system uses fiber optic...
    HKP-19870
    Now: $78.95
    Was: $129.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $78.95
    Was: $129.95
    Subtotal:
  • Used - Clubfoot Stock For HK .308 Rifles - Green - HKP-19667 Clubfoot Stock For HK .308 Rifles - Green
    Add to Cart

    Clubfoot Stock For HK .308 Rifles - Green

    USA

    $299.95
    US & German HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with both US & German H&K parts. Includes: HK 21E Clubfoot central stock section (counts as one US compliant part) HK heavy rubber buttpad USHK...
    HKP-19667
    $299.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • Out Of Stock
    New - H&K VP9, VP40 Backstrap - Small - Gray - HKP-18125 HK VP9, VP40 Backstrap - Small - Gray

    HK VP9, VP40 Backstrap - Small - Gray

    H&K Heckler & Koch

    $19.95
    H&K VP9, VP40 Backstrap - Small - Gray   Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP40
    HKP-18125
    $19.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - H&K HK MR762/417/G28 Ambi Sling Adapter w/ Sling Loop - HKP-17686 HK417,  MR762, G28 Sling Adapter with Sling Loop - Ambi
    Add to Cart

    HK417, MR762, G28 Sling Adapter with Sling Loop - Ambi

    H&K Heckler & Koch

    $129.95
    H&K HK MR762/417/G28 Ambi Sling Adapter w/ Sling Loop HK German manufactured MR762, MR308 & HK 417 Sling Adapter Backplate with HK Sling Loop. This backplate has ambidextrous sling attachment points for both the left and right side of the firearm...
    HKP-17686
    $129.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • New - HKP HK MR762/417 Titanium Firing Pin - HKP-17768
    Add to Cart

    HK417, MR762 Firing Pin - Titanium

    HKP HK Parts

    $49.95
    HK MR762 & HK417 Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made  in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK MR 762 & HK417 weapon system. Get the...
    HKP-17768
    $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • New - HKP HK45C Comp Weight™Compensator Holster - Black - HKP-18992-M
    Choose Options

    HK45 Compact Holster - Compensator

    HKP HK Parts

    $79.95
    HKP HK45C Comp Weight™Compensator Holster The HK45C series Comp Weight™ Compensator holster is an outside the waistband that allows you to use the holster with the HK Parts Comp Weight™ installed. For a right-hand shooter. Each holster...
    HKP-18992-M
    $79.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • New - Smith Enterprises HK Mark 23 .45 ACP Vortex Pistol Flash Hider - 16x1 RH - HKP-15806 HK Mark 23 Flash Hider - Vortex - 16x1 RH
    Add to Cart

    HK Mark 23 Flash Hider - Vortex - 16x1 RH

    Smith Enterprises

    $79.95
    Smith Enterprises HK Mark 23 .45 ACP Vortex Pistol Flash Hider - 16x1 RH The Vortex Flash Hider is built to the highest standards, featuring proven flash-hiding capabilities for the Mark 23 and other 16x1 RH threaded barrels. Crafted in the USA from 4140...
    HKP-15806
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • New - RCM HK P30L .40 S&W Tactical Barrel - Threaded 14.5x1 LH - HKP-16220 HK P30L Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
    Add to Cart

    HK P30L Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH

    RCM

    $225.00
    RCM HK P30L .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30L ...
    HKP-16220
    $225.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $225.00
    Subtotal:
  • Out Of Stock
    New - Hi-Viz HK VP/P30/45 Fiber Optic Front & Rear Sight Set - Red/Green - HKP-16260

    HK VP9, P30, HK45 Optic Mount Set - Front and Rear Sights - Red, Green

    Hi-Viz

    $99.95
    HiViz HK Front & Rear Fiber Optic Set - RED, GREEN & Black The new LITEWAVE sight system includes 3 sets of fiber optic sight options. The lightwave technology allows the shooter to change the light pipe color at will to each person's style,...
    HKP-16260
    $99.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • New - H&K P2000SK Backstrap - Large - Black - HKP-02289 HK P2000SK Backstrap - Large - Black
    Add to Cart

    HK P2000SK Backstrap - Large - Black

    H&K Heckler & Koch

    $25.99
    H&K P2000SK Backstrap - Large - Black   Compatible With: HK P2000SK
    HKP-02289
    $25.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  • New - Streamlight TLR-2G Tactical Light & Laser Combo - Green - HKP-16717 Streamlight TLR-2G Tactical Light & Laser Combo - Green
    Add to Cart

    Streamlight TLR-2G Tactical Light & Laser Combo - Green

    Streamlight

    $433.95
    Streamlight TLR-2G Tactical Light & Laser Combo - Green New C4 LED technology, impervious to shock with a 50,000 hour lifetime. Highly visible 522-542 nm green laser C4 LED delivers 6,300-candela peak beam intensity; 200 lumens. Textured parabolic...
    HKP-16717
    $433.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $433.95
    Subtotal:
  • Total: items /

Adding your products to cart