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 - HK G36/SL8 (5.56/.223) Ejector Spring - HKP-18374 HK G36, SL8 Ejector Spring
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    HK G36, SL8 Ejector Spring

    USA

    $19.95
    HK G36 & SL8 Series Of Ejector Spring. Great item to have on hand as this is prone to wear and breakage- US.
    HKP-18374
    $19.95
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    $19.95
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  • Out Of Stock
    New - H&K 21E/11E (7.62x51/.308) Extractor Spring - HKP-00815

    HK21E, HK11E Extractor Spring

    H&K Heckler & Koch

    $24.95
    HK21E & 11E Factory Extractor Spring Made by HK Germany for all HK21E's and 11E's.
    HKP-00815
    $24.95
    Out Of Stock
    Qty in Cart: 0
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    $24.95
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  • New - H&K 91/G3 (7.62x51/.308) Magazine Catch - HKP-02073 HK91, G3 Magazine Catch
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    HK91, G3 Magazine Catch

    H&K Heckler & Koch

    $19.95
    G3 Magazine Catch High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK G3 HK91 PTR91
    HKP-02073
    $19.95
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    $19.95
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  • On Sale
    New - MKE Trigger Pack Ejector Lever Axle - HKP-22241 MKE Trigger Pack Ejector Lever Axle MKE HKP-22241
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    HK MP5, HK90 Series Ejector Lever Axle

    MKE

    Now: $13.46
    Was: $17.95
    MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling.  Fits all of the following 90 series trigger packs: SEF, O,1 Navy Burst
    HKP-22241
    Now: $13.46
    Was: $17.95
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    Now: $13.46
    Was: $17.95
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  • New - HKP HK MP5, SP5 20 Round Magazine Spring - HKP-20687 HK MP5, HK94, SP5 Magazine Spring - 20 Round
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    HK MP5, HK94, SP5 Magazine Spring - 20 Round

    HKP HK Parts

    $6.95
    20 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.
    HKP-20687
    $6.95
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    $6.95
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  • New - H&K HK USP V2/6/10 LH Control Lever - HKP-01415
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    HK USP V2, V6, V10 LH Control Lever

    H&K Heckler & Koch

    $43.95
    New HK German USP Full Size Control Lever For Variants 2, 6, 10 A common item to convert the USP from a right-handed shooter to a left-handed operation. This is the control lever for the right side of the firearm for left-handed shooters. Compatible...
    HKP-01415
    $43.95
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    $43.95
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  • New - HKP HK 93/53/33 (5.56/.223) Firing Pin - Titanium - HKP-17769
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    HK33, HK53, HK93 Firing Pin - Titanium

    HKP HK Parts

    $49.95
    HK93, 33, 53 Firing Pin - Titanium A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK 93, HK33 & HK53 weapon system. Get the lightest, strongest firing pin available for your HK firearm. Ideal for...
    HKP-17769
    $49.95
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    $49.95
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  • Out Of Stock
    New - H&K HK USP/USPC .45 ACP New Style Extractor - HKP-01478 HK USP, USP Compact .45 ACP New Style Extractor

    HK USP, USP Compact .45 ACP New Style Extractor

    H&K Heckler & Koch

    $59.95
    New Style Extractor New HK German part with red loaded chamber indicator.  Compatible with: USP 45, USP 45 Tactical USP Compact .45, USPC .45 Tactical USP Expert
    HKP-01478
    $59.95
    Out Of Stock
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    $59.95
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  • New - H&K HK MR556/MR762/416/417 Pistol Grip Screw - HKP-02679
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    HK416, MR556, HK417, MR762 Pistol Grip Screw

    H&K Heckler & Koch

    $9.95
    H&K HK MR556/MR762/416/417 Pistol Grip Screw This is the screw used to retail all battle grips/pistol grips on the HK and standard AR15 and M16 firearms. Compatible With: HK MR556 HK416 HK MR762 HK417
    HKP-02679
    $9.95
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    $9.95
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  • New - H&K HK MR556/MR762/416 Semi Auto Axle For Selector Lever - HKP-15433 HK416, MR556, MR762 Selector Lever Axle- Semi Auto
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    HK416, MR556, MR762 Selector Lever Axle- Semi Auto

    H&K Heckler & Koch

    $44.95
    H&K HK MR556/MR762/416 Semi Auto Axle For Selector Lever HK German safe, semi selector axle for the MR 556 & HK 416 family of firearms. All steel construction. Compatible With: HK MR556 HK 416 HK MR762
    HKP-15433
    $44.95
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    $44.95
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  • New - H&K HK 416/417/MR556/MR762 Bridge - HKP-02676 HK416, MR556, HK417, MR762 Bridge
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    HK416, MR556, HK417, MR762 Bridge

    H&K Heckler & Koch

    $24.95
    Heckler and Koch HK416, HK MR556, HK417, and MR762 Bridge For Lowers Compatible With: HK416, MR556 HK417, MR762
    HKP-02676
    $24.95
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    $24.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Release Axle - HKP-02159 HK UMP Magazine Release Axle
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    HK UMP Magazine Release Axle

    H&K Heckler & Koch

    $19.95
    HK UMP Magazine Release Axle  
    HKP-02159
    $19.95
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    $19.95
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