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/USPC/45/45C Sear Roll Pin - HKP-01815
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    HK45, HK45 Compact, USP, USP Compact Sear Roll Pin

    H&K Heckler & Koch

    $5.95
    Sear Roll Pin HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK45 HK45 Compact
    $5.95
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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
    $9.95
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  • New - H&K HK USP Left Side V1/5/9 Decocking Lever - HKP-01169 HK USP Decocking Lever - Left Side V1/5/9
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    HK USP Decocking Lever - Left Side V1/5/9

    H&K Heckler & Koch

    $59.99
    H&K HK USP Left Side V1/5/9 Decocking Lever A Heckler and Koch genuine part. This item allows a right-handed shooter to have the safety and or decocking functions on the LEFT side of the firearm. This is to be used in conjunction with the correct...
    $59.99
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  • New - H&K HK MR556/416 Threaded Pin for Buttstock Insert - HKP-16604 HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2
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    HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2

    H&K Heckler & Koch

    $9.99
    H&K HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. Compatible With: HK MR556 HK 416
    $9.99
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer - HKP-01890 HK UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer
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    HK UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer

    H&K Heckler & Koch

    $9.95
    HK UMP Catch Release Lever Or Trip Lever For All UMP Lowers  
    $9.95
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  • New - H&K VP9, VP40 Grip Panel Right Side - Small - Black - HKP-16811 HK VP9, VP40 Grip Panel Right Side - Small - Black
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    HK VP9, VP40 Grip Panel Right Side - Small - Black

    H&K Heckler & Koch

    $18.95
    H&K VP9, VP40 Grip Panel Right Side - Small - Black New HK German manufactured. Left side, medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40
    $18.95
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  • New - H&K HK P7 Series Slide Removal Button Spring - HKP-01314
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    HK P7 Series Button Spring - Slide Removal

    H&K Heckler & Koch

    $7.95
    HK P7 Series Slide Removal Button Spring   This item is no longer in production. Get it while it's still available. Compatible With: PSP P7M8 P7M10 P7M13
    $7.95
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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...
    $31.95
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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
    $44.95
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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
    $11.95
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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
    $10.95
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  • New - H&K USC/UMP (.40 S&W) Extractor - HKP-00264 HK USC/UMP (.40 S&W) Extractor
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    HK USC/UMP (.40 S&W) Extractor

    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...
    $54.95
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