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 Magazine Catch, Push Button Roll Pin - HKP-01918
    Add to Cart

    HK Magazine Catch Push Button Roll Pin

    H&K Heckler & Koch

    $4.95
    H&K 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: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...
    HKP-01918
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • 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

    $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
    $8.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • 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

    $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
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • Out Of Stock
    New - H&K German Recoil Guide Rod Rivet - HKP-01026

    HK German Recoil Guide Rod Rivet

    H&K Heckler & Koch

    $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
    $9.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - H&K HK VP/P30/USPC/P2000 9mm Magazine Locking Plate - HKP-01585 HK VP9, P30, USP Compact, P2000 9mm Magazine Locking Plate
    Add to Cart

    HK VP9, P30, USP Compact, P2000 9mm Magazine Locking Plate

    H&K Heckler & Koch

    $5.95
    9mm Magazine Locking Plate New HK German factory part. This is the locking plate for the bottom of the magazine spring. Compatible With: VP9 15 Round VP40 13 Round VP9SK 15 Round VP9SK 13 Round P30 15 Round P30 .40 13 Round USP Compact 9mm 13 Round USP...
    HKP-01585
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    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:
  • New - H&K 17 Round HK VP9 Magazine Spring - HKP-19323 HK VP9 Magazine Spring - 17 Round
    Add to Cart

    HK VP9 Magazine Spring - 17 Round

    H&K Heckler & Koch

    $8.95
    Magazine Spring for 17 Round Magazine - HK VP9, VP9L, VP9 OR This magazine spring fits the VP9 17 round magazines.  A must-have replacement item as magazine springs should be replaced on a regular basis as this is a consumable part and is prone to...
    HKP-19323
    $8.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
  • New - HKP Spare Buffer For Folding Stocks & End Caps - HKP-17886 HK Spare Buffer For Folding Stocks & End Caps
    Add to Cart

    HK Spare Buffer For Folding Stocks & End Caps

    HKP HK Parts

    $9.95
    HKP Spare Buffer For Folding Stocks & End Caps New US manufactured flat style "H"buffer to replace the factory HK buffer on MP5K folding stocks and end caps. As well as a spare or replacement buffer for the MP5 & MP5K folding B&T stocks. Made...
    HKP-17886
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - HKP Roller +9 - New - 8.09mm - HKP-19438 HK Roller +9 - New - 8.09mm
    Add to Cart

    HK Roller +9 - New - 8.09mm

    HKP HK Parts

    $8.99
    Roller +9 - New - 8.09mm HK Parts Standard (8.09 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-19438
    $8.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    Subtotal:
  • New - H&K Magazine Catch - MP5, MP5K - Latest Style - HKP-00911 HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style
    Add to Cart

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

    H&K Heckler & Koch

    $64.95
    H&K 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:
  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Barrel Roll Pin - HKP-00603
    Add to Cart

    HK UMP, USC Barrel Roll Pin

    H&K Heckler & Koch

    $11.94
    Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP and USC...
    HKP-00603
    $11.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.94
    Subtotal:
  • New - MP5 40/10 Extractor Spring - HKP-00409 HK MP5 Extractor Spring - .40 S&W / 10mm, .357 SIG
    Add to Cart

    HK MP5 Extractor Spring - .40 S&W / 10mm, .357 SIG

    USA

    $9.95
    HK MP5 40/10 & .357 - Extractor Spring The extractor spring is the most common wear item on an MP5 and a must-have spare and replacement part. HK Germany no longer makes the MP5 40/10 extractor spring, and they are no longer available. Our offering...
    HKP-00409
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • Total: items /

Adding your products to cart