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 - HKP HK UMP, USC, G36, SL8 Sear - HKP-19555 HK UMP, USC, G36, SL8 Sear, Complete

    HK UMP, USC, G36, SL8 Sear, Complete

    HKP HK Parts

    $14.95
    HKP HK Parts Complete Sear for HK G36, HK UMP, HK USC, and HK SL8 Made in the USA Compatible With: UMP USC G36 SL8
    HKP-19555
    $14.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • New - H&K HK MR762/417 Handguard Compression Spring - HKP-16796
    Add to Cart

    HK417, MR762 Handguard Compression Spring

    H&K Heckler & Koch

    $8.95
    H&K HK MR762/417 Handguard Compression Spring   Heckler & Koch compression spring for HK MR762 and HK 417 handguard   Compatible With: HK MR 762 HK 417
    HKP-16796
    $8.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • New - HK G41 Firing Pin - HKP-02050
    Add to Cart

    HK G41 Firing Pin

    H&K Heckler & Koch

    $24.95
    HK G41 Firing Pin
    HKP-02050
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • New - H&K 10 Round HK USP .40 Magazine Housing - Black - HKP-16543 HK USP Magazine Housing - .40 S&W - 10 Round
    Add to Cart

    HK USP Magazine Housing - .40 S&W - 10 Round

    H&K Heckler & Koch

    $24.95
    HK German Full Size USP .40 10 Round Magazine Housing New HK German USP .40 Mag Body - 10 Round USP .40 Full Size
    HKP-16543
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • New - H&K HK P7 Series Cocking Lever Spring Roll Pin - HKP-01358
    Add to Cart

    HK P7 Series Cocking Lever Spring Roll Pin

    H&K Heckler & Koch

    $5.95
    HK P7 Series Cocking Lever Spring Roll Pin Compatible With: PSP P7M8 P7M10 P7M13
    HKP-01358
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • New - H&K HK Mark 23 Trigger Bar Spring - HKP-01583
    Add to Cart

    HK Mark 23 Trigger Bar Spring

    H&K Heckler & Koch

    $47.95
    Heckler and Koch HK Mark 23 Trigger Bar Spring Replacement trigger bar spring designed for the HK Mark 23 pistol. Intended for maintenance or repair of compatible trigger assemblies to ensure proper function and reset. Compatible With: Mark 23
    HKP-01583
    $47.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • Out Of Stock
    New - H&K HK Mark 23 7.5mm +6 Rear Sight - HKP-02599

    HK Mark 23 7.5mm +6 Rear Sight

    H&K Heckler & Koch

    $64.95
    HK Mark 23 Rear Sight 7.5 mm 6.7mm - +2mm Other Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+2) 7.1mm (+4) 7.5mm (+6)
    HKP-02599
    $64.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • New - H&K HK Mark 23 Locking Bolt - HKP-01625
    Add to Cart

    HK Mark 23 Locking Bolt

    H&K Heckler & Koch

    $10.95
    HK Mark 23 Locking Bolt
    HKP-01625
    $10.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • New - H&K HK P30S Left Safety Lever - HKP-16758 HK P30S Left Safety Lever
    Add to Cart

    HK P30S Left Safety Lever

    H&K Heckler & Koch

    $19.95
    H&K HK P30S Left Safety Lever
    HKP-16758
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - H&K P30SK Right Side Grip Panel - Small - Black - HKP-18077
    Add to Cart

    HK P30SK Grip Panel Right Side - Small

    H&K Heckler & Koch

    $14.95
    Heckler and Koch small Grip Panel in black for the right side of HK P30SK grips The P30 incorporates interchangeable side panels for optimal fit. Easy-to-install modular back straps also allow the P Series pistol to be custom-fitted to any...
    HKP-18077
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • New - H&K P30SK Backstrap - Large - Black - HKP-18080
    Add to Cart

    HK P30SK Backstrap - Large - Black

    H&K Heckler & Koch

    $24.95
    H&K P30SK Backstrap - Large - Black Compatible With: HK P30SK
    HKP-18080
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • New - RCM HK P2000 .40 S&W Barrel - Threaded 14.5x1 LH - HKP-16942 HK P2000 Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH
    Add to Cart

    HK P2000 Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH

    RCM

    $225.00
    RCM HK P2000 .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 .40 tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest threaded...
    HKP-16942
    $225.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $225.00
    Subtotal:
  • Total: items /

Adding your products to cart