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 Left Side Safety Lever - HKP-01875
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    HK G36 Left Side Safety Lever

    H&K Heckler & Koch

    $24.95
    HK G36 Left Side Safety Selector Lever
    HKP-01875
    $24.95
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  • New - H&K MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium - HKP-02451
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    HK MSG90 Locking Roller -4 - 7.96mm Set -Titanium

    H&K Heckler & Koch

    $329.95
    MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium Half moon rollers.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers...
    HKP-02451
    $329.95
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  • HK91, G3 Magazine Release Set - USED HK91, G3 Magazine Release Set - USED
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    HK91, G3 Magazine Release Set - USED

    H&K Heckler & Koch

    $24.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 HK-manufactured, used magazine release set for HK .308 pattern rifles. Complete left-to-right mag catch assembly with both push-button and paddle controls. Expect finish wear and...
    HKP-22466
    $24.95
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  • HK MP5, AP5 Recoil Rod
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    HK MP5, AP5 Recoil Rod

    MKE

    $64.95
    MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...
    HKP-99343
    $64.95
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  • New - H&K CC9 Firing Pin - HKP-22136
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    HK CC9 Firing Pin

    H&K Heckler & Koch

    $55.95
    H&K CC9 Firing Pin Made in Germany by H&K, the firing pin for the CC9 pistol strikes the primer to ignite the cartridge. Compatible With: HK CC9  
    HKP-22136
    $55.95
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  • New - H&K CC9 Firing Pin Safety Spring - HKP-22134
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    HK CC9 Firing Pin Safety Spring

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Safety Spring   Made by H&K, this firing pin safety spring for the CC9 pistol provides spring tension to the firing pin safety. Compatible With: HK CC9  
    HKP-22134
    $5.95
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  • New - H&K CC9 Firing Pin Safety - HKP-22133
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    HK CC9 Firing Pin Safety

    H&K Heckler & Koch

    $18.95
    H&K CC9 Firing Pin Safety Made by H&K, the firing pin safety for the CC9 blocks firing pin movement until the trigger is pulled. Compatible With: HK CC9  
    HKP-22133
    $18.95
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  • Out Of Stock
    New - KNS Precision HK Push Button Take Down Pin - Large - HKP-21388 KNS Precision HK Push Button Take Down Pin - Large

    KNS Precision HK Push Button Take Down Pin - Large

    KNS Precision

    $24.99
    KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...
    HKP-21388
    $24.99
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  • New - H&K HK VP9SK Locking Block Guide - HKP-18309 HK VP9SK Locking Block Guide
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    HK VP9SK Locking Block Guide

    H&K Heckler & Koch

    $180.95
    H&K HK VP9SK Locking Block Guide Locking block guide complete, welded for frame on all HK VP9SK, VP40SK models. Compatible With: HK VP9SK HK VP40SK Does NOT fit the full size VP models
    HKP-18309
    $180.95
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  • Out Of Stock
    New - HKP HK UMP, USC & G36, SL8 Sear - HKP-19555 HK UMP, USC & G36, SL8 Sear

    HK UMP, USC & G36, SL8 Sear

    HKP HK Parts

    $14.95
    HK Complete Sear G36, UMP, USC, SL8 Made in the USA Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-19555
    $14.95
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  • New - H&K HK MR762/417 Handguard Compression Spring - HKP-16796
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    HK417, MR762 Handguard Compression Spring

    H&K Heckler & Koch

    $8.95
    H&K HK MR762/417 Handguard Compression Spring   Heckler & Koch compression spring for HK MR762 and HK 417 handguard   Compatible With: HK MR 762 HK 417
    HKP-16796
    $8.95
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  • New - HK G41 Firing Pin - HKP-02050
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    HK G41 Firing Pin

    H&K Heckler & Koch

    $24.95
    HK G41 Firing Pin
    HKP-02050
    $24.95
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