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
  • On Sale
    New - HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style - HKP-15731
    Add to Cart
    Quick view

    HK UMP, USC Stock Block B Thumb Screw

    HDPS

    Now: $67.46
    Was: $74.95
    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.
    HKP-15731
    Now: $67.46
    Was: $74.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $67.46
    Was: $74.95
    Subtotal:
    Add to Cart
  • On Sale
    New - Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308 - HKP-16908 Magpul 25 Round PMAG M3 Magazine - 7.62x51/.308 Magpul HKP-16908
    Add to Cart
    Quick view

    Magpul M3 PMAG Magazine - 7.62x51 / .308 - 25 Round

    Magpul

    Now: $17.47
    Was: $24.95
    Magpul PMAG 25-LR 25-Round 7.62 NATO Magpul M3 PMAG for SR25/M110 pattern rifles.  Features a true 25-round capacity, constant-curve body, and snap-on impact/dust cover. Designed specifically for...
    HKP-16908
    Now: $17.47
    Was: $24.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $17.47
    Was: $24.95
    Subtotal:
    Add to Cart
  • On Sale
    HK CC9 Holster - Defender IWB - Right Hand HK CC9 Holster - Defender IWB - Right Hand
    Choose Options
    Quick view

    HK CC9 Holster - Defender IWB - Right Hand

    Black Ash Tactical

    $41.21 - $44.96
    Black Ash Tactical Defender IWB Kydex Holster for HK CC9 Inside-the-waistband Kydex holster for the HK CC9. Each holster is handcrafted in the USA for a precise fit and a clean draw with positive...
    HKP-22436-M
    $41.21 - $44.96
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $41.21 - $44.96
    Subtotal:
    Choose Options
  • On Sale
    HK VP9, VP40 Hybrid Trigger - Adjustable HK VP9, VP40 Hybrid Trigger - Adjustable
    Add to Cart
    Quick view

    HK VP9, VP40 Hybrid Trigger - Adjustable

    Grayguns

    Now: $112.50
    Was: $125.00
    HK VP9, VP40 Adjustable Hybrid Trigger The Adjustable Hybrid Trigger for the HK VP9 and VP40 Series fits the standard variants. The trigger features an over-travel adjustment while providing a...
    HKP-22343
    Now: $112.50
    Was: $125.00
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $112.50
    Was: $125.00
    Subtotal:
    Add to Cart
  • Out Of Stock
    HK416, MR556, HK417, MR762 Selector Lever - Ambi - Right
    Quick view

    HK416, MR556, HK417, MR762 Selector Lever - Ambi - Right

    H&K Heckler & Koch

    $11.95
    Heckler & Koch HK416 Ambi Safety Selector Lever Factory HK polymer right side selector lever.
    HKP-22309
    $11.95
    Out Of Stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
    Out Of Stock
  • On Sale
    New - H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer - HKP-22183-M Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer
    Choose Options
    Quick view

    Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer

    HKP HK Parts / Heckler & Koch

    $179.96 - $199.95
    H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock.  The stocks are then refinished and the recoil rod modified to work...
    HKP-22183-M
    $179.96 - $199.95
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $179.96 - $199.95
    Subtotal:
    Choose Options
  • On Sale
    New - HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED - HKP-18049-B HK MP5, MP5K Locking Piece - 100 Degree - Gunsmith Special - BLEMISHED
    Add to Cart
    Quick view

    HK MP5, MP5K Locking Piece - 100 Degree - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $7.46
    Was: $33.95
    HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED   GUNSMITH SPECIAL.  THESE UNITS WILL NEED RE-WORK BEFORE USE. THIS PART IS NOT ELIGIBLE FOR
    HKP-18049-B
    Now: $7.46
    Was: $33.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $7.46
    Was: $33.95
    Subtotal:
    Add to Cart
  • On Sale
    New - B&T Blast Deflector - A2 NATO Interface - HKP-21777 B&T Blast Deflector - A2 NATO Interface
    Add to Cart
    Quick view

    B&T Blast Deflector - A2 NATO Interface

    B&T Brugger & Thomet

    Now: $262.50
    Was: $300.00
    B&T Blast Deflector - A2 NATO Interface This blast deflector is designed for NATO style A2 ("birdcage") flash hiders. Offering a universal fit for 5.56 rifles featuring the standard A2 flash hider...
    HKP-21777
    Now: $262.50
    Was: $300.00
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $262.50
    Was: $300.00
    Subtotal:
    Add to Cart
  • On Sale
    New - HKP Womens Short Sleeve Bundesadler Shirt - Black - HKP-21178-M HK Women's Shirt - Short Sleeve - Bundesadler
    Choose Options
    Quick view

    HK Women's Shirt - Short Sleeve - Bundesadler

    HKP HK Parts

    Now: $8.42
    Was: $19.95
    HKP Womens Short Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at...
    HKP-21178-M
    Now: $8.42
    Was: $19.95
    Choose Options Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $8.42
    Was: $19.95
    Subtotal:
    Choose Options
  • Out Of Stock
    New - B&T 9mm Dual Mag Clamp - HKP-17440
    Quick view

    B&T 9mm Dual Mag Clamp

    B&T Brugger & Thomet

    $52.00
    B&T 9mm Dual Mag Clamp Double up on your magazines with this magazine clamp made by Brügger & Thomet. Compatible With: B&T APC9
    HKP-17440
    $52.00
    Out Of Stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $52.00
    Subtotal:
    Out Of Stock
  • Total: items /

Adding your products to cart

View Cart Continue Shopping