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 UMP (9mm) Extractor - HKP-02625
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    HK UMP, USC Extractor - 9mm

    USA

    $39.95
    New US-Made USC & UMP 9mm Extractor: This is the perfect spare part for your UMP or USC 9mm conversion.  Please Note: HK considers this a high wear and replacement item. Once it's removed from the...
    HKP-02625
    $39.95
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  • New - H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Burst Lower Slide (0,1,2) - HKP-01887
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    HK UMP, G36 Lower Slide - Burst 0,1,2 - 9mm. .40 S&W, .45 ACP, 5.56 / .223

    H&K Heckler & Koch

    $17.95
    HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only  Compatible With: HK UMP HK G36    
    HKP-01887
    $17.95
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  • On Sale
    PTR91 Extractor - BLEMISHED PTR91 Extractor - BLEMISHED
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    PTR91 Extractor - BLEMISHED

    PTR

    Now: $7.46
    Was: $12.95
    PTR Extractor for PTR91 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. PTR extractor for PTR91...
    HKP-99457
    Now: $7.46
    Was: $12.95
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  • HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm
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    HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm

    H&K Heckler & Koch

    $12.95
    HK91, G3 19x1.2mm Retaining Ring for A3 Retractable Buttstocks This 19x1.2 retaining ring (circlip-style) is used in the G3 and HK91 A3 retractable buttstock assembly to help retain the locking...
    HKP-22482
    $12.95
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  • New - H&K CC9 Slide Release - HKP-22124
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    HK CC9 Slide Release

    H&K Heckler & Koch

    $46.95
    Heckler and Koch Slide Release for HK CC9 Factory slide release manufactured by Heckler and Koch for the CC9 platform. Allows manual release of the slide and engages the slide stop after the last...
    HKP-22124
    $46.95
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  • Out Of Stock
    New - H&K HK P7 Series Disconnector, Sear Control Lever - HKP-01308
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    HK P7 Series Disconnector, Sear Control Lever

    H&K Heckler & Koch

    $49.95
    HK P7 Series Disconnector, Sear Control Lever New HK German factory part. Compatible With: PSP P7M8
    HKP-01308
    $49.95
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