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 - HK Recoil Rod Guide Ring For Recoil Rod Assemblies - HKP-00143 HK Recoil Rod Guide Ring For Recoil Rod Assemblies

    HK Recoil Rod Guide Ring For Recoil Rod Assemblies

    H&K Heckler & Koch

    $7.99
    HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.
    HKP-00143
    $7.99
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $7.99
    Subtotal:
  • On Sale
    New - H&K MP5 & MP5K F Style Roller Retainer Plate - 3rd Gen - HKP-00069 HK MP5, MP5K F Style Roller Retainer Plate - 3rd Gen
    Add to Cart

    HK MP5, MP5K F Style Roller Retainer Plate - 3rd Gen

    H&K Heckler & Koch

    Now: $13.95
    Was: $14.95
    HK German "F" Style 3rd Gen Roller Retainer Plate This is the latest and greatest German design of roller retainer plates found in all of the latest production of HK German bolt heads. The MP5 F roller retainer plate fits true F-style bolt heads only...
    HKP-00069
    Now: $13.95
    Was: $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $13.95
    Was: $14.95
    Subtotal:
  • On Sale
    New - H&K Magazine Catch, Push Button Roll Pin - HKP-01918
    Add to Cart

    HK MP5, HK90 Series Magazine Catch Roll Pin - Push Button

    H&K Heckler & Koch

    Now: $4.45
    Was: $4.95
    Heckler and Koch Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: MP5, SP5 MP5K, SP5K SP89, HK94 HK91, G3, PTR HK33, HK53,...
    HKP-01918
    Now: $4.45
    Was: $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4.45
    Was: $4.95
    Subtotal:
  • On Sale
    HK MP5, SP5K Extractor Spring - 9mm HK MP5, SP5K Extractor Spring - 9mm
    Add to Cart

    HK MP5, SP5K Extractor Spring - 9mm

    MKE

    Now: $5.95
    Was: $6.95
    MKE HK MP5, MP5K - Extractor Spring - 9mm Extractor spring for all 9mm HK variants including clones. This spring is the #1 repair & replacement item for the MP5 and MP5K family of firearms. Compatible With: HK MP5 HK MP5K HK SP5 HK...
    HKP-22481
    Now: $5.95
    Was: $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $5.95
    Was: $6.95
    Subtotal:
  • On Sale
    New - Semi Auto Shelf For Receiver - Billeted - HKP-01521
    Add to Cart

    Receiver Shelf - Semi Auto - Billeted

    Now: $16.95
    Was: $19.95
    Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...
    HKP-01521
    Now: $16.95
    Was: $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $16.95
    Was: $19.95
    Subtotal:
  • On Sale
    New - HKP Cocking Tube End Cap-Steel - HKP-17580 HK90 Series Cocking Tube End Cap - Steel
    Add to Cart

    HK90 Series Cocking Tube End Cap - Steel

    HKP HK Parts

    Now: $16.95
    Was: $19.95
    Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight tower
    HKP-17580
    Now: $16.95
    Was: $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $16.95
    Was: $19.95
    Subtotal:
  • New - HK MP5, MP5K Magazine Catch - Latest Style - HKP-00911 New - HK MP5, MP5K Magazine Catch - Latest Style
    Add to Cart

    HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style

    H&K Heckler & Koch

    $64.95
    Heckler and Kock Magazine Catch Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds. Constructed from a single piece of steel unlike the...
    HKP-00911
    $64.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • On Sale
    New - HKP Roller +3 - New - 8.03mm - HKP-19425 HKP Roller +3 - New - 8.03mm
    Add to Cart

    HKP Roller +3 - New - 8.03mm

    H&K Heckler & Koch

    Now: $8.95
    Was: $8.99
    Roller +3 - New - 8.03mm HK Parts Standard (8.03 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19425
    Now: $8.95
    Was: $8.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $8.95
    Was: $8.99
    Subtotal:
  • On Sale
    New - HKP Rail Mount Compensator Replacement Screw Set - HKP-19674 HK Screw Set for HKP Rail Mount Compensator
    Add to Cart

    HK Screw Set for HKP Rail Mount Compensator

    HKP HK Parts

    Now: $3.95
    Was: $4.95
    Replacement Screws for Rail Mount Compensator Replacement screw set for the HK Parts Rail Mount Compensators. This includes (2) screws. Compatible With: All HK Parts Rail Mount Compensators
    HKP-19674
    Now: $3.95
    Was: $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3.95
    Was: $4.95
    Subtotal:
  • On Sale
    New - H&K German Recoil Guide Rod Rivet - HKP-01026
    Add to Cart

    HK German Recoil Guide Rod Rivet

    H&K Heckler & Koch

    Now: $8.95
    Was: $9.95
    H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...
    HKP-01026
    Now: $8.95
    Was: $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $8.95
    Was: $9.95
    Subtotal:
  • On Sale
    New - Grayguns HK P30, P2000 Short Reset System Thumb Safety - HKP-19756
    Add to Cart

    HK P30, P2000 Short Reset System Thumb Safety

    Grayguns

    Now: $80.95
    Was: $90.00
    Grayguns Short Reset System Thumb Safety for HK P30 and HK P2000  Replicate Grayguns custom in-house short reset conversion with a drop-in kit for your HK P30 with thumb safety. Cut from bar stock steel, these kits provide an exacting fit for easy...
    HKP-19756
    Now: $80.95
    Was: $90.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $80.95
    Was: $90.00
    Subtotal:
  • New - H&K HK VP9/VP9SK, VP40 Dismounting Safety Elbow Spring - HKP-16791
    Add to Cart

    HK VP9, VP9SK, VP40 Disassembly Safety Spring

    H&K Heckler & Koch

    $2.95
    Elbow Spring For Dismounting Safety HK VP9, HK VP40 Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40
    HKP-16791
    $2.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2.95
    Subtotal:
  • Total: items /

Adding your products to cart