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
  • Out Of Stock
    New - HKP HK Mark 23, SOCOM Titanium Firing Pin - HKP-17803

    HK Mark 23, SOCOM Firing Pin - Titanium

    HKP HK Parts

    $49.95
    Ultimate Firing Pin Mark 23, Socom - Titanium - Grade 6 A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium...
    $49.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • New - H&K HK MR556/MR762/416 Forward Assist Assembly - HKP-16528 HK416, MR556, MR762 Forward Assist Assembly
    Add to Cart

    HK416, MR556, MR762 Forward Assist Assembly

    H&K Heckler & Koch

    $74.95
    H&K HK MR556/MR762/416 Forward Assist Assembly H&K Germany factory MR556 & HK416 forward assist assembly complete. Compatible With: HK MR556 HK 416 HK MR762
    $74.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Complete Firing Pin Assembly - HKP-00609
    Add to Cart

    HK UMP, USC Firing Pin - Complete Assembly - .40 S&W / .45 ACP / 9mm

    H&K Heckler & Koch

    $82.95
    HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG's
    $82.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $82.95
    Subtotal:
  • New - H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black - HKP-16787 HK VP9, VP9SK, VP40 Left Side Slide Release Lever
    Add to Cart

    HK VP9, VP9SK, VP40 Left Side Slide Release Lever

    H&K Heckler & Koch

    $19.95
    H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black New HK VP series German left side slide release lever for slide. Compatible With: HK VP9, VP9L HK VP9SK HK VP9A1 F HK VP9A1 K HK VP40
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - H&K MP5 Magazine Release Set - HKP-02402 HK MP5 Magazine Release Set
    Add to Cart

    HK MP5 Magazine Release Set

    H&K Heckler & Koch

    $184.95
    H&K Magazine Release Set This is the complete magazine release kit that includes both the paddle mag release and standard left-to-right mag release on your HK 9mm rifle or pistol build.  Compatible With: MP5, MP5K style 9mm models Set...
    $184.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $184.95
    Subtotal:
  • Out Of Stock
    New - HKP Semi Auto Shelf, Hanger Block For Receiver - HKP-17572 HK Semi Auto Shelf, Hanger Block For Receiver

    HK Semi Auto Shelf, Hanger Block For Receiver

    HKP HK Parts

    $13.95
    HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...
    $13.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • New - HKP HK 416 Ejection Port Axle - HKP-20039
    Add to Cart

    HKP HK 416 Ejection Port Axle

    H&K Heckler & Koch

    $4.95
    Ejection Port Axle - Steel- HK 416 New HK USA manufacture for the HK 416 family of firearms. This is the axle that holds the ejection port cover in place on the upper receiver. 
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • New - H&K HK VP9/VP9SK, HK VP40 Trigger Bar - HKP-16780 HK VP9, VP9SK, VP40 Trigger Bar
    Add to Cart

    HK VP9, VP9SK, VP40 Trigger Bar

    H&K Heckler & Koch

    $55.95
    H&K HK VP9/VP9SK, HK VP40 Trigger Bar   Compatible With: HK VP9 HK VP9SK HK VP40
    $55.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $55.95
    Subtotal:
  • New - H&K HK P30/P2000 Trigger Bar Detent Spring - HKP-01799
    Add to Cart

    HK P30, P2000 Trigger Bar Detent Spring

    H&K Heckler & Koch

    $5.95
    HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • New - Nefarious Arms HK G36/SL8/HK 416/MR556 Gas Piston - HKP-21364 HK 416, MR556, G36, SL8 Gas Piston
    Add to Cart

    HK 416, MR556, G36, SL8 Gas Piston

    Nefarious Arms

    $74.95
    Nefarious Arms HK G36/SL8/HK 416/MR556 Gas Piston A great spare, upgrade, or replacement part for your HK. Includes 3 piston rings for a complete drop in replacement part. TiN coated for corrosion resistance.  Compatible with: HK G36 HK416 HK...
    $74.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • New - H&K HK VP9/VP9SK, VP40 Drop Safety Elbow Spring - HKP-16835
    Add to Cart

    HK VP9, VP9SK, VP40 Elbow Spring, Drop Safety

    H&K Heckler & Koch

    $6.95
    H&K HK VP9/VP9SK, VP40 Drop Safety Elbow Spring   Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40
    $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • New - H&K 90 Series Burst Trigger Pack Compression Rod - HKP-01047
    Add to Cart

    HK90 Series Compression Rod for Burst Trigger Packs

    H&K Heckler & Koch

    $29.95
    H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • Total: items /

Adding your products to cart