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 P30S Left Safety Lever - HKP-16758 HK P30S Left Safety Lever
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    HK P30S Left Safety Lever

    H&K Heckler & Koch

    $19.95
    H&K HK P30S Left Safety Lever
    HKP-16758
    $19.95
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    $19.95
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  • New - H&K HK P30 Loaded Chamber Indicator - HKP-02213 HK P30, P30L Loaded Chamber Indicator
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    HK P30, P30L Loaded Chamber Indicator

    H&K Heckler & Koch

    $46.95
    HK P30 Loaded Chamber Indicator  
    HKP-02213
    $46.95
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    $46.95
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  • New - H&K HK USP 9mm/.40 S&W Recoil Guide Rod - HKP-01081
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    HK USP 9mm, .40 S&W Recoil Guide Rod

    H&K Heckler & Koch

    $32.95
    H&K HK USP 9mm/.40 S&W Recoil Guide Rod   Compatible With: HK USP 9mm HK USP 40 S&W
    HKP-01081
    $32.95
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  • New - H&K 10 Round HK USP 9mm Magazine Locking Plate - HKP-01597
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    HK USP Magazine Locking Plate - 9mm - 10 Round

    H&K Heckler & Koch

    $5.95
    Magazine Locking Plate For USP 9mm Full Size Magazines Compatible With: USP 9mm 10 Round
    HKP-01597
    $5.95
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    $5.95
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  • Out Of Stock
    New - HKP HK USP New Style Titanium Firing Pin - HKP-17826

    HK USP Firing Pin - New Style - Titanium

    HKP HK Parts

    $49.95
    HKP HK USP New Style Titanium Firing Pin A solid billet CNC offering at 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-17826
    $49.95
    Out Of Stock
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    $49.95
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  • Out Of Stock
    New - H&K HK USPC V3 Control Lever - HKP-01436 HK USP Compact V3 Control Lever

    HK USP Compact V3 Control Lever

    H&K Heckler & Koch

    $32.95
    HK USPC V3 Control Lever Compatible With: HK USP Compact 9mm HK USP Compact 357 SIG HK USP Compact 40 S&W HK USP Compact 45 ACP
    HKP-01436
    $32.95
    Out Of Stock
    Qty in Cart: 0
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    $32.95
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  • New - H&K SL8 (5.56/.223) Catch - HKP-16349 HK SL8 (5.56/.223) Catch
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    HK SL8 (5.56/.223) Catch

    H&K Heckler & Koch

    $7.95
    H&K SL8 (5.56/.223) Catch
    HKP-16349
    $7.95
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    $7.95
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  • Out Of Stock
    New - HK UMP (9mm) Extractor - HKP-02625

    HK UMP (9mm) Extractor

    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 carrier, the spring tension...
    HKP-02625
    $39.95
    Out Of Stock
    Qty in Cart: 0
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    $39.95
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  • New - HK UMP/USC/SL8/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Fixed Rear Sight Flat Spring - HKP-16635
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    HK UMP, USC, SL8, G36 Fixed Rear Sight Flat Spring

    H&K Heckler & Koch

    $8.95
    HK G36, SL8 & USC, UMP Fixed Rear Sight Flat Spring Compatible With: G36 SL8 USC. 45 UMP 9mm UMP .40 UMP .45
    HKP-16635
    $8.95
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    $8.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Right - HKP-01892
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    HK UMP, USC Hammer Spring - Right

    H&K Heckler & Koch

    $14.95
    HK UMP & USC Right Side Hammer Spring For Lowers
    HKP-01892
    $14.95
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    $14.95
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  • New - H&K 21E/11E/PSG1/MSG90 Firing Pin - HKP-01758 HK21E, HK11E, PSG1, MSG90 Firing Pin
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    HK21E, HK11E, PSG1, MSG90 Firing Pin

    H&K Heckler & Koch

    $119.95
    HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK.  We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...
    HKP-01758
    $119.95
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    $119.95
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  • New - H&K MP5 Stock Locking Lever With Spring - HKP-02560 HK MP5, HK91, G3, HK33, HK53, HK93 A3 Stock Locking Lever with Spring
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    HK MP5, HK91, G3, HK33, HK53, HK93 A3 Stock Locking Lever with Spring

    H&K Heckler & Koch

    $199.95
    HK MP5, HK91, G3, HK33/53/93 A3 Retractable Stock Locking Lever With Locking Spring Compatible With: MP5 (NOT compatible with MP5 .22 LR) HK G3, HK91 HK33, HK53, HK93
    HKP-02560
    $199.95
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    $199.95
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