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 HK VP9/VP9SK/VP40 Hex Button Quick Detach Slide Plate - HKP-18111-M HK VP9, VP9SK, VP40 Hex Button Quick Detach Slide Plate
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    HK VP9, VP9SK, VP40 Hex Button Quick Detach Slide Plate

    HKP HK Parts

    $34.95
    HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate   The HK Parts Quick Detach Slide Plate for the HK VP series of pistols is ideal for those that want the ability of quickly and efficiently access the firing pin, sleeve assembly. The quick...
    HKP-18111-M
    $34.95
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    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
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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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  • 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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  • 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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  • New - H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier - HKP-16847
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    HK416, MR556 Bolt Carrier Roll Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416
    HKP-16847
    $6.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Locking Pin - HKP-00595
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    HK UMP, USC Lower Locking Pin

    H&K Heckler & Koch

    $36.95
    HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.  
    HKP-00595
    $36.95
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  • New - HKP MP5 40/10 Magazine Floor Plate - HKP-16507 HK MP5 Magazine Floorplate - 10mm / .40 S&W - US
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    HK MP5 Magazine Floorplate - 10mm / .40 S&W - US

    HKP HK Parts

    $9.95
    HKP MP5 40/10 Magazine Floor Plate Great for spare parts and also a much needed US made compliant part for U.S. compliance.
    HKP-16507
    $9.95
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  • Out Of Stock
    New - H&K HK 45/45C V3 Left Side Decock Only Lever - HKP-02706

    HK45, HK45 Compact V3 Left Side Decock Only Lever

    H&K Heckler & Koch

    $49.95
    Decock Lever ONLY For Left Side Of Frame - HK45, HK45C This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame with the decock function only.  Compatible With: HK45, HK45...
    HKP-02706
    $49.95
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  • New - H&K HK P7M10/P7M13 Retaining Pin - HKP-16436
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    HK P7M10, P7M13 Retaining Pin

    H&K Heckler & Koch

    $4.95
    H&K HK P7M10/P7M13 Retaining Pin
    HKP-16436
    $4.95
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  • New - H&K HK 416/417/MR556/MR762 Bridge - HKP-02676 HK416, HK417, MR556, MR762  Bridge
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    HK416, HK417, MR556, MR762 Bridge

    H&K Heckler & Koch

    $24.95
    H&K HK 416/417/MR556/MR762 Bridge For Lowers Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-02676
    $24.95
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  • New - H&K HK G36/SL8 Extractor - HKP-00287 HK G36, SL8  Extractor
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    HK G36, SL8 Extractor

    H&K Heckler & Koch

    $79.95
    G36 & HK SL8 German Extractor For Bolt Head New HK German. This is a great item to keep as a spare. Compatible With: All G36 Variants SL8-1, SL8-6
    HKP-00287
    $79.95
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