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 - H&K HK G36, HK SL8 Lower Axle Pin - HKP-00291

    HK G36, SL8 Lower Axle Pin

    H&K Heckler & Koch

    $0.00
    G36 & HK SL8 Lower Axle Pin The G36/SL8 (all models) uses the same size axle pin for all of the lower components (3 total). Except for the bolt holding open the device axle. Must insert from the right side to the left (per factory instruction).
    HKP-00291
    $0.00
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  • Out Of Stock
    Used - H&K HK G36 Magazine Catch Release Lever - HKP-19771 HK G36, SL8 Bolt Locking Lever - Complete - USED

    HK G36, SL8 Bolt Locking Lever - Complete - USED

    H&K Heckler & Koch

    $9.95
    H&K HK G36, SL8 Complete Locking Lever: USED   The locking lever is installed within the trigger housing, ensuring reliable and secure bolt lockup. Used in good condition.    Compatible With: H&K SL8, G36 H&K USC, UMP
    HKP-19771
    $9.95
    Out Of Stock
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    $9.95
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  • New - H&K 10 Round USP 40 Full Size Magazine Locking Plate - Black - HKP-02361
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    HK USP Full Size Magazine Locking Plate - .40 S&W - 10 Round

    H&K Heckler & Koch

    $9.95
    H&K 10 Round USP 40 Full Size Magazine Locking Plate Compatible With: USP .40 10 Round 
    HKP-02361
    $9.95
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  • Out Of Stock
    New - H&K HK P9S .45 ACP Magazine Spring - HKP-02045

    HK P9S .45 ACP Magazine Spring

    H&K Heckler & Koch

    $0.00
    HK P9 Magazine Spring
    HKP-02045
    $0.00
    Out Of Stock
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  • New - H&K HK P7M10 .40 S&W Magazine Follower Insert - HKP-01364
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    HK P7M10 Magazine Follower Insert - .40 S&W

    H&K Heckler & Koch

    $34.95
    HK P7M10 .40 S&W Magazine Follower Insert  
    HKP-01364
    $34.95
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  • Out Of Stock
    New - H&K HK P7 Series Firing Pin - HKP-00796

    HK P7 Series Firing Pin

    H&K Heckler & Koch

    $0.00
    H&K HK P7 Series Firing Pin Compatible With: HK P7 PSP HK P7 M8 HK P7 M10 HK P7 M13
    HKP-00796
    $0.00
    Out Of Stock
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  • New - H&K HK Mark 23 Recoil Spring Washer - HKP-16640
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    HK Mark 23 Recoil Spring Washer

    H&K Heckler & Koch

    $9.95
    H&K HK Mark 23 Recoil Spring Washer New HK German Mark 23, SOCOM Recoil Spring Washer for Recoil Assembly.
    HKP-16640
    $9.95
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  • New - H&K HK Mark 23 Recoil Rod - HKP-16639 HK Mark 23 Recoil Rod
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    HK Mark 23 Recoil Rod

    H&K Heckler & Koch

    $79.95
    H&K HK Mark 23 Recoil Rod Factory HK Mark 23, SOCOM Recoil Rod Stripped. Ideal to keep as a spare, as this item is a repair & replacement item.
    HKP-16639
    $79.95
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  • New - H&K HK Mark 23 Buffer Recoil Assembly Spring Washer - HKP-16641 HK Mark 23 Buffer Recoil Assembly Spring Washer
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    HK Mark 23 Buffer Recoil Assembly Spring Washer

    H&K Heckler & Koch

    $9.95
    H&K HK Mark 23 Buffer Recoil Assembly Spring Washer This washer has a recessed groove for the spring on the end of the recoil assembly.
    HKP-16641
    $9.95
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  • New - H&K HK Mark 23 Recoil Assembly Buffer Spring Retainer - HKP-16643
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    HK Mark 23 Recoil Assembly Buffer Spring Retainer

    H&K Heckler & Koch

    $11.95
    H&K HK Mark 23 Recoil Assembly Buffer Spring Retainer
    HKP-16643
    $11.95
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  • New - H&K HK Mark 23 Decocking Lockout - HKP-01767
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    HK Mark 23 Decocking Lockout

    H&K Heckler & Koch

    $9.95
    HK Mark 23 Decocking Lockout  
    HKP-01767
    $9.95
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  • Out Of Stock
    On Sale
    New - HKP HK P30 Series Titanium Firing Pin - HKP-17828

    HK P30 Firing Pin - Titanium

    HKP HK Parts

    Now: $29.95
    Was: $49.95
    HKP HK P30 Series Titanium Firing Pin A solid billet CNC offering that's 40% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium pins also carry...
    HKP-17828
    Now: $29.95
    Was: $49.95
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    Now: $29.95
    Was: $49.95
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