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
    New - H&K HK P7M13 Magazine Follower - Black - BLEMISHED - HKP-02364-B
    Add to Cart

    HK P7M13 Magazine Follower - Black - BLEMISHED

    H&K Heckler & Koch

    Now: $22.95
    Was: $49.95
    H&K HK P7M13 Magazine Follower - Black - BLEMISHED ONLY 2 UNITS AVAILABLE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. All steel construction, brand new...
    HKP-02364-B
    Now: $22.95
    Was: $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $22.95
    Was: $49.95
    Subtotal:
  • New - H&K A3 Stock Release Lever Rebuild Kit - HKP-21851
    Add to Cart

    HK A3 Buttstock Release Lever Rebuild Kit

    H&K Heckler & Koch

    $14.95
    H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks.  With A3 stocks becoming more expensive it's a great idea to keep this kit on...
    HKP-21851
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • New - H&K HK MR762 Drop Safety Catch - HKP-16615 HK MR762 Drop Safety Catch
    Add to Cart

    HK MR762 Drop Safety Catch

    H&K Heckler & Koch

    $19.95
    H&K HK MR762 Drop Safety Catch Compatible With: HK MR762
    HKP-16615
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Out Of Stock
    New - H&K HK P7 Series Cocking Lever Axle - HKP-01375

    HK P7 Series Cocking Lever Axle

    H&K Heckler & Koch

    $7.95
    Cocking Lever Axle Compatible With: P7M8 P7M10 P7M13
    HKP-01375
    $7.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • New - H&K HK Mark 23 Left Side Safety Lever - HKP-01771 HK Mark 23 Left Side Safety Lever
    Add to Cart

    HK Mark 23 Left Side Safety Lever

    H&K Heckler & Koch

    $44.95
    HK Mark 23 Left Side Safety Lever  
    HKP-01771
    $44.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • New - H&K HK Mark 23 Safety Detent - HKP-01782
    Add to Cart

    HK Mark 23 Safety Detent

    H&K Heckler & Koch

    $10.95
    HK Mark 23 Safety Detent  
    HKP-01782
    $10.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • Out Of Stock
    New - H&K HK VP40/USPC 9mm/.40 S&W Extractor - HKP-01130 HK VP40, USP Compact 9mm, .40 S&W Extractor

    HK VP40, USP Compact 9mm, .40 S&W Extractor

    H&K Heckler & Koch

    $42.95
    H&K HK VP40/USPC 9mm/.40 S&W Extractor New HK German factory OEM part. Compatible With: HK VP40 (Not for the VP9) HK USP Compact 9mm HK USP Compact 40 & .357 HK USP LEM models
    HKP-01130
    $42.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • HK MP5, AP5 Magazine Catch Push Button
    Add to Cart

    HK MP5, AP5 Magazine Catch Push Button

    MKE

    $6.95
    HK MP5, AP5 Magazine Catch Button Push button for magazine catchCompatible with: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK94 HK33, HK53, HK93 HK91, G3 In-spec. clones and custom builds
    HKP-22548
    $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm
    Add to Cart

    HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm

    H&K Heckler & Koch

    $12.95
    HK91, G3 19x1.2mm Retaining Ring for A3 Retractable Buttstocks This 19x1.2 retaining ring (circlip-style) is used in the G3 and HK91 A3 retractable buttstock assembly to help retain the locking components in place for proper fit and function. Compatible...
    HKP-22482
    $12.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • HK416, MR556 A4 Hammer Washer HK416, MR556 A4 Hammer Washer
    Add to Cart

    HK416, MR556 A4 Hammer Washer

    H&K Heckler & Koch

    $58.95
    Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles to original HK configuration. Compatible...
    HKP-22434
    $58.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $58.95
    Subtotal:
  • New - H&K MP7 Lock Washer - HKP-21978
    Add to Cart

    HK MP7 Lock Washer

    H&K Heckler & Koch

    $4.95
    H&K MP7 Lock Washer Factory lock washer for the MP7 platform.  Specifications: Inside diameter: 4.10mm Outside diameter: 7.75mm Compatible With: HK MP7  
    HKP-21978
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • New - H&K 21E/23E Left Receiver Reinforcement Rail Weldment - HKP-21907 HK21E, HK23E Left Receiver Reinforcement Rail Weldment
    Add to Cart

    HK21E, HK23E Left Receiver Reinforcement Rail Weldment

    H&K Heckler & Koch

    $14.95
    H&K 21E/23E Left Receiver Reinforcement Rail Weldment Genuine German-made weldment for left-side receiver reinforcement rail. Precision-machined using the correct steel and milling for you HK21E or HK23E build. Compatible With: HK21E HK23E
    HKP-21907
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • Total: items /

Adding your products to cart