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 P30L Complete Recoil Assembly - HKP-02485 HK P30L Recoil Rod Assembly - Complete

    HK P30L Recoil Rod Assembly - Complete

    H&K Heckler & Koch

    $97.95
    Heckler and Koch Complete Recoil Rod Assembly for HK P30L 9mm Genuine German HK recoil rod assembly for the P30L 9mm. A fresh factory recoil spring restores proper cycling and ensures the pistol functions to original HK specifications. Compatible...
    HKP-02485
    $97.95
    Qty in Cart: 0
    Quantity:
    Price:
    $97.95
    Subtotal:
  • New - H&K MP5F & MP5 40,10 Recoil Rod Assembly - HKP-00133 HK MP5F, MP5 40/10 Recoil Rod Assembly - Complete

    HK MP5F, MP5 40/10 Recoil Rod Assembly - Complete

    H&K Heckler & Koch

    $79.95
    German HK MP5F Recoil Assembly This is the factory-correct MP5F or MP5 40/10 Recoil Rod assembly. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for all MP5 40 or 10-mm bolt groups. A great upgrade to have...
    HKP-00133
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • New - H&K HK Mark 23 Extractor - HKP-01408 HK Mark 23 Extractor

    HK Mark 23 Extractor

    H&K Heckler & Koch

    $79.95
    HK German Mark 23 SOCVOM Extractor New HK German manufacture. This item is no longer being made and is a great spare part to have on hand. Compatible With: Mark 23 SOCOM pistols
    HKP-01408
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • New - H&K HK USP .45 ACP Complete Recoil Assembly - HKP-01161

    HK USP45 Recoil Assembly, Complete

    H&K Heckler & Koch

    $99.95
    Heckler and Koch .45 ACP Complete Recoil Assembly for HK USP New HK German manufacture. Compatible With: USP Full Size Pistol USP Expert USP Elite
    HKP-01161
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • On Sale
    New - H&K HK USP V1/V2 Old Style Complete Hammer - HKP-01602

    HK USP V1, V2 Old Style Complete Hammer

    H&K Heckler & Koch

    Now: $69.95
    Was: $79.95
    HK USP V1/V2 Old Style Complete Hammer HK USP complete with pin - hammer variant 1, 2, and 9. Old style all metal USP spurred hammer.
    HKP-01602
    Now: $69.95
    Was: $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $69.95
    Was: $79.95
    Subtotal:
  • New - HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black - HKP-14540 HK416, MR556, G36, SL8 Gas Piston

    HK416, MR556, G36, SL8 Gas Piston

    USA

    $79.95
    HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...
    HKP-14540
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • New - H&K HK USPC .40 S&W Recoil Rod Assembly - HKP-01479 HK USPC .40 S&W Recoil Rod Assembly

    HK USPC .40 S&W Recoil Rod Assembly

    H&K Heckler & Koch

    $105.99
    Recoil Spring Guide Rod Assembly Complete For The HK USP Compact 40 Cal & .357 SIG New HK German factory part. This is a great spare or replacement item to have on hand. Compatible With: HK USP Compact 40 Cal HK USP Compact .357 SIG
    HKP-01479
    $105.99
    Qty in Cart: 0
    Quantity:
    Price:
    $105.99
    Subtotal:
  • New - H&K 93/53/33 (5.56/.223) Firing Pin - HKP-00192

    HK33, HK53, HK93 Firing Pin

    H&K Heckler & Koch

    $79.95
    H&K 93, 53, & 33 (5.56/.223) Firing Pin This is the factory-correct HK German firing pin and is a great replacement part. This is also a great upgrade for your HK 223.556 clones. This part is no longer available from HK as this part is out of...
    HKP-00192
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • New - HK G36/SL8 Extractor - HKP-18882 HK G36, SL8 Extractor

    HK G36, SL8 Extractor

    USA

    $67.95
    G36 & HK SL8 Extractor For Bolt Head Compatible With: All G36 variants SL8-1, SL8-6
    HKP-18882
    $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    $67.95
    Subtotal:
  • New - H&K HK G36/SL8 Extractor - HKP-00287 HK G36, SL8 Extractor

    HK G36, SL8 Extractor

    H&K Heckler & Koch

    $79.95
    G36 & HK SL8 German Extractor For Bolt Head New HK German. This is a great item to keep as a spare. Compatible With: All G36 Variants SL8-1, SL8-6
    HKP-00287
    $79.95
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • HK416, MR556 Magazine Catch - Ambi HK416, MR556 Magazine Catch - Ambi

    HK416, MR556 Magazine Catch - Ambi

    H&K Heckler & Koch

    $104.95
    Heckler and Koch Ambidextrous Magazine Catch for HK416 and HK MR556  Factory HK ambi magazine catch, release. Compatible With: HK416A5, MR556 A4 NOT compatible with earlier variants with single-side controls
    HKP-22289
    $104.95
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
  • New - H&K 417/MR762 A4 Bolt Catch/Release - Ambi - HKP-21960 HK417, MR762A4 Bolt Catch, Release - Ambi

    HK417, MR762A4 Bolt Catch, Release - Ambi

    H&K Heckler & Koch

    $69.95
    Heckler and Koch MR762 A4 Bolt Catch/Release - Ambi Factory ambidextrous bolt catch lever for the MR762 A4.  The A4 variant of the MR762 introduced ambi controls for the bolt catch/release not previously available on the A1 variant...
    HKP-21960
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • Total: items /

Adding your products to cart