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 P7 Series Drop Safety Catch - HKP-01356 HK P7 Series Drop Safety Catch

    HK P7 Series Drop Safety Catch

    H&K Heckler & Koch

    $67.95
    HK P7 Series Drop Safety Catch Compatible With: P7 PSP P7M8 P7M10 P7M13
    HKP-01356
    $67.95
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  • New - H&K HK P2000/P2000SK/45/45C Slim Slide Release Lever w/ Axle - HKP-01956
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    HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever with Axle

    H&K Heckler & Koch

    $30.95
    HK Slim Slide Release Lever w/ Axle This is the upgraded version that replaced the original early versions. This model has enhanced upgrades to update and improve your HK pistol's function and design features. Compatible With: HK45 HK45...
    HKP-01956
    $30.95
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  • New - H&K HK MR556/416 Ejector For Bolt Head - HKP-00037
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    HK416, MR556 Ejector For Bolt Head

    H&K Heckler & Koch

    $23.95
    H&K HK MR556/416 Ejector For Bolt Head HK German factory part.  Compatible With: HK MR556 HK 416
    HKP-00037
    $23.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Release Lever Spring - HKP-01891
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    HK UMP Release Lever Spring

    H&K Heckler & Koch

    $9.95
    HK UMP Release Lever Spring For All UMP Lowers  
    HKP-01891
    $9.95
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  • New - H&K Sear Complete For HK Burst Trigger Packs - HKP-17028
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    HK MP5K, HK90 Series Burst Trigger Sear Complete

    H&K Heckler & Koch

    $59.95
    Heckler & Koch's Sear Catch for HK90 Series and HK MP5K - Steel - German For Burst Trigger Packs Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2
    HKP-17028
    $59.95
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  • New - Lazy Wolf HK P30 & P2000 SA/DA Spartan Hammer - V1 - HKP-22186-M HK P30, P2000 SA/DA Spartan Hammer - V1
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    HK P30, P2000 SA/DA Spartan Hammer - V1

    Lazy Wolf

    $148.95
    Lazy Wolf HK P30 & P2000 SA/DA Spartan Hammer - V1 Transform the feel and look of your HK P30 or P2000 Single Action/Dual Action pistol with the Lazy Wolf Guns Skeletonized Spartan Hammer.  Redesigned geometry yields a superiorly smooth and...
    HKP-22186-M
    $148.95
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  • New - HKP 10 Round MP5 .22LR Magazine Spring - HKP-20297
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    HK MP5 Magazine Spring - .22LR - 10 Round

    HKP HK Parts

    $3.95
    HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...
    HKP-20297
    $3.95
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  • New - H&K HK USP Lanyard Loop Insert Pin - HKP-01930
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    HK USP Lanyard Loop Insert Pin

    H&K Heckler & Koch

    $19.95
    HK USP Lanyard Loop Insert Pin   Compatible With: HK USP 9mm HK USP 40 HK USP 45  
    HKP-01930
    $19.95
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  • New - HKP HK UMP Floor Plate - Black - HKP-17161 HK UMP Magazine Floorplate
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    HK UMP Magazine Floorplate

    HKP HK Parts

    $7.95
    HKP HK UMP Floorplate Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces. Made in the USA and counts as 1 US compliant part.
    HKP-17161
    $7.95
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  • New - H&K G36/SL8 (5.56/.223) Cocking Handle - HKP-01853
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    HK G36, SL8 Cocking Handle

    H&K Heckler & Koch

    $55.95
    HK Cocking Handle For G36 & SL8 Bolt Carriers  
    HKP-01853
    $55.95
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  • New - H&K HK G36/SL8/MR762/417 Bolt Head Ejector - HKP-01868
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    HK G36, SL8, HK417, MR762 Bolt Head Ejector

    H&K Heckler & Koch

    $19.95
    H&K HK G36/SL8/MR762/417 Bolt Head Ejector   Compatible With: HK MR762 HK 417 HK G36 HK SL8  
    HKP-01868
    $19.95
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  • New - HKP HK MP5 (.40 S&W) Locking Roller +2 - HKP-17564
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    HK MP5 Locking Roller +2 - .40 S&W

    HKP HK Parts

    $11.95
    HK US MP5 .40 S&W Locking Roller, +2 The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mm 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...
    HKP-17564
    $11.95
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