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
  • On Sale
    HK MP5, 90 Series Locking Plate for Rollers HK MP5, 90 Series Locking Plate for Rollers
    Add to Cart

    HK MP5, 90 Series Locking Plate for Rollers

    Special Weapons

    Now: $3.95
    Was: $8.95
    Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY 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: MP5,...
    HKP-99399
    Now: $3.95
    Was: $8.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3.95
    Was: $8.95
    Subtotal:
    Add to Cart
  • On Sale
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
    Add to Cart

    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED

    H&K Heckler & Koch

    Now: $2.96
    Was: $5.95
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN.  Features: Precision-machined elbow spring...
    HKP-03330-USED
    Now: $2.96
    Was: $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2.96
    Was: $5.95
    Subtotal:
    Add to Cart
  • New - H&K HK P7 PSP Magazine Catch - HKP-01344 HK P7 PSP Magazine Catch
    Add to Cart

    HK P7 PSP Magazine Catch

    H&K Heckler & Koch

    $27.95
    HK P7 PSP Magazine Catch Compatible With: PSP
    HKP-01344
    $27.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
    Add to Cart
  • New - HK P7M10 Extractor - HKP-01999
    Add to Cart

    HK P7M10 Extractor

    H&K Heckler & Koch

    $81.95
    Heckler and Koch HK P7M10 Extractor Compatible With: HK P7M8
    HKP-01999
    $81.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $81.95
    Subtotal:
    Add to Cart
  • New - H&K HK USP/45/45C Disconnector - HKP-01175
    Add to Cart

    HK45, HK45 Compact, USP Disconnector

    H&K Heckler & Koch

    $9.95
    HK German USP 45, HK45, & HK45C Disconnector Compatible: HK45 USP9 USP40 USP45 USP Compact 9 USP Compact 40 USP Compact 45
    HKP-01175
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
    Add to Cart
  • New - H&K HK 416 Roll Pin For 33mm Front Folding Sight - HKP-14144
    Add to Cart

    HK416 Front Sight Roll Pin - Folding 33mm

    H&K Heckler & Koch

    $4.95
    HK 416 Roll Pin For 33mm Front Folding Sight This version is the enhanced (longer) roll pin for a more secure fitment. 
    HKP-14144
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
    Add to Cart
  • New - H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin - HKP-02469 HK G36, SL8 Firing Pin Retaining Pin
    Add to Cart

    HK G36, SL8 Firing Pin Retaining Pin

    H&K Heckler & Koch

    $10.95
    H&K G36/SL8 (5.56/.223) Firing Pin Retaining Pin Compatible With: HK G36 HK SL8
    HKP-02469
    $10.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
    Add to Cart
  • New - HK G36/SL8 (5.56/.223) Bolt Heads Ejector - HKP-18371 HK G36, SL8 Bolt Head Ejector - USA
    Add to Cart

    HK G36, SL8 Bolt Head Ejector - USA

    $13.95
    HK G36/SL8 Ejector For All G36, SL8 bolts -US Made
    HKP-18371
    $13.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Slide For Lower - HKP-00268

    HK UMP, USC Conversion Slide

    H&K Heckler & Koch

    $19.95
    HK USC & UMP Slide For Lower - German New HK German USC slide for conversion of UMP lower. 
    HKP-00268
    $19.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
    Out Of Stock
  • New - H&K 23E/13E Factory German Firing Pin - HKP-00820
    Add to Cart

    HK23E, HK13E Firing Pin

    H&K Heckler & Koch

    $109.95
    H&K 23E/13E (5.56/.223) Factory German Firing Pin New HK23E & HK13E factory German firing pin. These firing pins are no longer in production from HK.  We have a limited number available and once they are gone, they are gone for good...
    HKP-00820
    $109.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
    Add to Cart
  • On Sale
    New - B&T Bolt or Suppressor Pouch - Small - Velcro Mount - HKP-21886 Bolt or Suppressor Pouch - Small - Velcro Mount
    Add to Cart

    Bolt or Suppressor Pouch - Small - Velcro Mount

    B&T Brugger & Thomet

    Now: $9.95
    Was: $19.95
    B&T Bolt or Suppressor Pouch - Small - Velcro Mount The B&T Bolt Pouch is a Velcro attaching pouch to securely hold and protect your .308 bolt during transport and field operations. Designed for the B&T APR338 bolt but will fit other,...
    HKP-21886
    Now: $9.95
    Was: $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $9.95
    Was: $19.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    New - B&T Telescopic Stock End Cap - HKP-21721 B&T Telescopic Stock End Cap

    B&T Telescopic Stock End Cap

    B&T Brugger & Thomet

    $8.95
    B&T Telescopic Stock End Cap B&T replacement end cap for telescopic stocks.  Limits the extension of the stock to keep it from sliding out of the guides.
    HKP-21721
    $8.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
    Out Of Stock
  • Total: items /

Adding your products to cart

View Cart Continue Shopping