Small Parts

Small Parts

Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • New - H&K HK G36 Right Side Lower Hammer Spring - HKP-01857
    Add to Cart

    HK G36 Right Side Lower Hammer Spring

    H&K Heckler & Koch

    $8.95
    HK G36 Right Side Lower Hammer Spring  
    HKP-01857
    $8.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • New - H&K MP5 40/10 -2 Roller - HKP-00336 HK MP5 40/10 -2 Roller
    Add to Cart

    HK MP5 40/10 -2 Roller

    H&K Heckler & Koch

    $19.95
    HK German MP5 40/10 -2 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...
    HKP-00336
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - H&K MP5 40/10 +4 Roller - HKP-00335 HK MP5 40, 10 Roller - +4
    Add to Cart

    HK MP5 40, 10 Roller - +4

    H&K Heckler & Koch

    $20.95
    New HK German MP5 40/10 +4 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set...
    HKP-00335
    $20.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • On Sale
    New - MKE Roller Retainer Plate for Rollers - HKP-22235 MKE Roller Retainer Plate for Rollers MKE HKP-22235
    Add to Cart

    HK MP5, 90 Series Holder Plate for Locking Rollers

    MKE

    Now: $24.95
    Was: $29.95
    MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...
    HKP-22235
    Now: $24.95
    Was: $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $24.95
    Was: $29.95
    Subtotal:
  • HK CC9 Magazine Locking Plate - 10 Round HK CC9 Magazine Locking Plate - 10 Round
    Add to Cart

    HK CC9 Magazine Locking Plate - 10 Round

    H&K Heckler & Koch

    $5.95
    H&K CC9 Magazine Locking Plate - 10 Round Locking plate for H&K CC9 10-round magazines. Secures the floor plate and internal components to the magazine body. Genuine H&K part. Compatible With: HK CC9
    HKP-22149
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • New - H&K CC9 Recoil Spring Assembly - HKP-22128
    Add to Cart

    HK CC9 Recoil Spring Assembly

    H&K Heckler & Koch

    $48.95
    H&K CC9 Recoil Spring Assembly Made in Germany, the recoil spring assembly for CC9 pistol absorbs slide movement and returns the slide to battery during cycling. Compatible With: HK CC9  
    HKP-22128
    $48.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $48.95
    Subtotal:
  • Out Of Stock
    New - H&K HK MR762/417 Charging Handle Catch - HKP-16852 HK417, MR762 Charging Handle Catch

    HK417, MR762 Charging Handle Catch

    H&K Heckler & Koch

    $59.95
    HK MR762, HK417 Extended Charging Handle Catch Complete  New HK German manufacture. A great part to have on hand as these are prone to breakage and wear. Compatible With: HK MR762 HK 417 HK G28
    HKP-16852
    $59.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • New - H&K HK 45C LEM Hammer Spring - HKP-15789
    Add to Cart

    HK45 Compact LEM Hammer Spring

    H&K Heckler & Koch

    $9.95
    Hammer Spring For HK 45C LEM Models This hammer spring is the factory correct LEM hammer spring for the HK45C and HK45CT. This is the spring needed to use any other variant of LEM kit to be complete to be used on the HK45C pistol. This is also a great...
    HKP-15789
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - H&K HK 45/P30SK Lockout Compression Spring - HKP-02272
    Add to Cart

    HK45, P30SK Safety Lever Compression Spring

    H&K Heckler & Koch

    $6.95
    HK 45 & P30SK Lockout Compression Spring   Compatible With: HK45 HK45 Compact HK P30SK
    HKP-02272
    $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • New - H&K HK USP Full Size Right Side Ambidextrous Control Lever - HKP-16625
    Add to Cart

    HK USP Full Size Right Side Ambidextrous Control Lever

    H&K Heckler & Koch

    $29.95
    H&K HK USP Full Size Right Side Ambidextrous Control Lever Good spare to have on hand as they are prone to damage or cracking. This item will only fit the left side ambidextrous control lever with axle.
    HKP-16625
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • Out Of Stock
    New - H&K HK USP Variant 1-6, 9 & 10 Hammer Axle - HKP-01931

    HK USP Variant 1-6, 9, 10 Hammer Axle

    H&K Heckler & Koch

    $31.95
    HK USP Variant 1-6, 9, & 10 Hammer Axle   Compatible With: HK USP 9mm HK USP 40 HK USP 45
    HKP-01931
    $31.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • New - H&K HK USP Series Old Style Firing Pin Block - HKP-01926 HK USP Firing Pin Block - Old Style
    Add to Cart

    HK USP Firing Pin Block - Old Style

    H&K Heckler & Koch

    $29.95
    HK USP Series Old Style Firing Pin Block Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Compact 9mm HK USP Compact 357 HK USP Compact 40 HK USP Compact 45
    HKP-01926
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • Total: items /

Adding your products to cart