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 USP/45 New Style Hammer Strut - HKP-01250

    HK45, USP New Style Hammer Strut

    H&K Heckler & Koch

    $12.95
    H&K HK USP/45 New Style Hammer Strut Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Tactical, Elite, Expert HK45 HK45 Tactical
    HKP-01250
    $12.95
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  • New - H&K HK 45/45C V2 Right Side LH Lever - Black - HKP-02416 HK45, HK45 Compact V2 Right Side LH Lever
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    HK45, HK45 Compact V2 Right Side LH Lever

    H&K Heckler & Koch

    $31.95
    HK 45 & 45C V2 Right Side LH Lever This is the control lever for left-hand shooters. This would be the lever on the right side of the frame for left-hand shooters. The V2 left lever will allow for both the safety...
    HKP-02416
    $31.95
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  • New - H&K G36/SL8 (5.56/.223) Complete Firing Pin Retaining Pin - HKP-14050 HK G36, SL8 Retaining Pin And O-Ring
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    HK G36, SL8 Retaining Pin And O-Ring

    H&K Heckler & Koch

    $11.95
    Retaining Pin For Firing Pin Complete With O-Ring Compatible With: HK G36 HK SL8
    HKP-14050
    $11.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer - HKP-01890 HK UMP Release Lever
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    HK UMP Release Lever

    H&K Heckler & Koch

    $9.95
    HK UMP Catch Release Lever Or Trip Lever For All UMP Lowers  
    HKP-01890
    $9.95
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  • New - H&K HK MR762/417 Magazine Catch Spring - HKP-16520
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    HK417, MR762 Magazine Catch Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417 Magazine Catch Spring New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK MR762 HK 417 HK G28
    HKP-16520
    $9.95
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  • New - H&K HK Mark 23 Rear Sight Retaining Screw - HKP-01628
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    HK Mark 23 Rear Sight Retaining Screw

    H&K Heckler & Koch

    $19.95
    HK Mark 23 Rear Sight Retaining Screw
    HKP-01628
    $19.95
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    New - H&K 93/53/33 (5.56/.223) 25 Round Magazine Spring - HKP-00483

    HK33, HK53, HK93 Magazine Spring - 25 Round

    H&K Heckler & Koch

    $11.95
    HK 93, 33, & 53 Magazine Replacement Spring For 25-Round Magazines Hard to find and a must-have spare for your HK mags. No longer in production.
    HKP-00483
    $11.95
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  • New - HKP HK MP5 40 Locking Roller +4 - HKP-17562
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    HKP HK MP5 40 Locking Roller +4

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, +4 The proper roller size is essential for proper headspacing of bolt gap. 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...
    HKP-17562
    $11.95
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  • New - H&K HK P30 Series Right Slide Release Lever - Black - HKP-01880 HK P30 Series Right Slide Release Lever
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    HK P30 Series Right Slide Release Lever

    H&K Heckler & Koch

    $44.95
    HK P30 Series Right Slide Release Lever  
    HKP-01880
    $44.95
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  • New - HK G36/SL8 (5.56/.223) Cocking Handle Axle Pin - HKP-18367 HK G36, SL8 Cocking Handle Axle Pin - USA
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    HK G36, SL8 Cocking Handle Axle Pin - USA

    USA

    $10.95
    HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 models HK SL8 models
    HKP-18367
    $10.95
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  • New - H&K USC/UMP (.40 S&W) Extractor - HKP-00264 HK USC, UMP Extractor - .40 S&W
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    HK USC, UMP Extractor - .40 S&W

    H&K Heckler & Koch

    $54.95
    HK German UMP Or USC .40 Extractor New HK German factory OEM part. This is a high wear and replacement item as the .40 cal cartridge has a high impulse that results in an increased occurrence of this extractor wearing out and breakage. A must-have...
    HKP-00264
    $54.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Support Tube - HKP-01883 HK UMP, USC Cocking Lever Support Tube
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    HK UMP, USC Cocking Lever Support Tube

    H&K Heckler & Koch

    $19.95
    HK UMP & USC Cocking Lever Support Tube  
    HKP-01883
    $19.95
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