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.

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  • New - HKP MP5 40,10 Magazine Release Paddle Lever - HKP-01274 HK MP5 Paddle Magazine Release Lever - .40 S&W, 10mm
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    HK MP5 Paddle Magazine Release Lever - .40 S&W, 10mm

    HKP HK Parts

    $59.95
    HKP HK Parts Magazine Release Lever for .40 S&W and 10mm HK MP5  Compatible with MP5  
    HKP-01274
    $59.95
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  • On Sale
    HK MP5, 90 Series Locking Plate for Rollers HK MP5, 90 Series Locking Plate for Rollers
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    HK MP5, 90 Series Locking Plate for Rollers

    USA

    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
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    Now: $3.95
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  • On Sale
    New - MKE HK MP5 Rear Sights Locking Washer - HKP-22240
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    HK MP5 Rear Sights Locking Washer

    MKE

    Now: $1.95
    Was: $2.45
    MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms
    HKP-22240
    Now: $1.95
    Was: $2.45
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    Now: $1.95
    Was: $2.45
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  • On Sale
    New - MKE HK 93/53/33 Push Pin Spring - HKP-22228 MKE Push Pin Spring MKE HKP-22228
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    HK33, HK53, HK93 Push Pin Spring

    MKE

    Now: $2.19
    Was: $3.95
    MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...
    HKP-22228
    Now: $2.19
    Was: $3.95
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    Now: $2.19
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  • Out Of Stock
    New - B&T Takedown Pin Rear - HKP-21727 B&T Takedown Pin Rear

    B&T Takedown Pin Rear

    B&T Brugger & Thomet

    $12.95
    B&T APC Takedown Pin - Rear Factory B&T rear take down pin for the APC receiver. Compatible With: APC Series Standard receiver Glock receiver Sig receiver
    HKP-21727
    $12.95
    Out Of Stock
    Qty in Cart: 0
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    $12.95
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  • New - H&K HK 45 Recoil Complete Rod w/ Spring - HKP-01667
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    HK45 Recoil Rod and Spring - Complete

    H&K Heckler & Koch

    $104.95
    HK 45 Recoil Complete Rod w/ Spring This is the complete recoil guide assembly for the HK45 pistol. Great item to have on hand for repair or replacement. Compatible With: HK45 HK45 Tactical Please Note: This does not fit the USP .45...
    HKP-01667
    $104.95
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    $104.95
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  • New - HK P30/L Series Firing Pin - Black - HKP-02211
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    HK P30, P30L Firing Pin

    H&K Heckler & Koch

    $59.95
    Heckler and Koch Firing Pin for HK P30, P30L   German-made HK firing pin for the P30 and P30L. Steel construction, factory-spec, and designed for both 9mm and .40 S&W models. This is the correct OEM firing pin for restoring proper ignition...
    HKP-02211
    $59.95
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  • New - H&K USP/45/45C New Style Bobbed Hammer - HKP-01589
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    HK USP, 45, 45C New Style Bobbed Hammer

    H&K Heckler & Koch

    $59.95
    HK USP, USPC & HK45 & HK45C Bobbed Hammer - New Style This has the shorter, lower-profile "bobbed" hammer. The new style hammer has a cutout for 2005 and later production. Compatible With: USP 9mm & USP Compact 9mm USP 40 & USP Compact...
    HKP-01589
    $59.95
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  • New - HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel - HKP-17798
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    HK33, HK53, HK93 Firing Pin - Stainless Steel

    HKP HK Parts

    $24.95
    HKP HK 93/53/33 (5.56/.223) Firing Pin - Stainless Steel Specifications: Made in the USA Made from stainless steel Compatible With: HK 93/53/33
    HKP-17798
    $24.95
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  • New - HKP HK MR556/416 Extractor Spring Buffer - HKP-21604 HK416, MR556 Extractor Spring Buffer
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    HK416, MR556 Extractor Spring Buffer

    HKP HK Parts

    $5.39
    HKP HK MR556/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 & HK416 Firearms
    HKP-21604
    $5.39
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    $5.39
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  • New - H&K G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring - HKP-01858
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    HK MP7, G36 Firing Pin Bolt O-Ring

    H&K Heckler & Koch

    $9.95
    HK G36 & MP7 Firing Pin - Bolt O-Ring   Compatible With: HK G36 HK MP7  
    HKP-01858
    $9.95
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    $9.95
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  • New - H&K MP5F & MP5 40,10 Cocking Support Handle Spring - HKP-00426
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    HK MP5F, MP5 Compression Spring - Cocking Lever Support

    H&K Heckler & Koch

    $9.95
    H&K MP5F & MP5 40,10 Cocking Support Handle Spring One of these springs is required for use with the cocking handle/support assembly. You need the following - MP5 40 cocking tube support, MP5 40 cocking handle, and the cocking handle spring to...
    HKP-00426
    $9.95
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    $9.95
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