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 MR762/417 Cylindrical Pin For Stop Pin - HKP-16619

    HK417, MR762 Cylindrical Pin for Stop Pin

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417
    HKP-16619
    $9.95
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  • New - H&K HK Mark 23 Roll Pin Right Safety Lever - HKP-01813
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    HK Mark 23 Roll Pin Right Safety Lever

    H&K Heckler & Koch

    $7.95
    HK Mark 23 Roll Pin Right Safety Lever New HK German nickel plated 1.5 X 9mm roll pin to hold the right side of the selector lever to the axle of the left side control lever. Compatible With: HK Mark 23 HK SOCOM .45
    HKP-01813
    $7.95
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  • New - H&K P30L .40 S&W Complete Recoil Assembly - HKP-02436 New - H&K P30L .40 S&W Complete Recoil Assembly - HKP-02436
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    HK P30L .40 S&W Complete Recoil Assembly

    H&K Heckler & Koch

    $109.95
    HK P30L .40 S&W Complete Recoil Assembly A genuine German Heckler & Koch part. Spare recoil assemblies are a great help to keep the pistol functioning as it was designed. Compatible With:  HK P30L .40.
    HKP-02436
    $109.95
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  • New - H&K HK P2000/P2000SK Magazine Disconnect Elbow Spring - HKP-02601
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    HK P2000, P2000SK Magazine Disconnect Elbow Spring

    H&K Heckler & Koch

    $9.95
    HK Magazine Disconnect Elbow Spring   Compatible With: HK P2000 HK P2000SK
    HKP-02601
    $9.95
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  • New - H&K HK USPC Variant 4 Right Decock Control Lever - Black - HKP-02264
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    HK USP Compact Variant 4 Right Decock Control Lever

    H&K Heckler & Koch

    $34.95
    USPC - Decock Lever V4 - Decock Only Compatible with all USP Compact pistols and provides the V4 Decock ONLY (no safety function) when used with the Variant 3 & 4 Detent Plate. This is the correct lever for those who are "left-handed"...
    HKP-02264
    $34.95
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  • New - HKP HK MR556/416 SS Firing Pin - HKP-01756
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    HK416, MR556 SS Firing Pin

    HKP HK Parts

    $29.95
    Firing Pin For HK 416 & MR556 Firearm - USA Made from hardened stainless steel and comes new in the white. Compatible With: HK416 HK MR556 HK CR556 HK M27
    HKP-01756
    $29.95
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  • New - H&K HK MR556/MR762/416 Spring Lock Bolt - HKP-16848
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    HK416, MR556, MR762 Spring Lock Bolt

    H&K Heckler & Koch

    $9.99
    H&K HK MR556/MR762/416 Spring Lock Bolt Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-16848
    $9.99
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  • New - H&K HK MR556/416 Full Auto Hammer - HKP-02673
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    HK416, MR556 Hammer, Complete - Semi Auto

    H&K Heckler & Koch

    $107.95
    H&K HK416, MR556 Semi-Auto Hammer - Complete Genuine German complete hammer and spring assembly.  Includes: Semi-auto hammer Hammer spring Side bushing Compatible With: MR556A1 MR556 A4 HK416 AR-15 AR-15 style semi-auto firearms chambered in...
    HKP-02673
    $107.95
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  • New - H&K G36 (5.56/.223) Cocking Handle Bushing - HKP-01869
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    HK G36 Cocking Handle Bushing

    H&K Heckler & Koch

    $9.95
    HK German G36 Cocking Handle Bushing
    HKP-01869
    $9.95
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  • New - H&K MP5 40/10 -2 Roller - HKP-00336 HK MP5 Locking Roller -2 - .40 S&W / 10mm
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    HK MP5 Locking Roller -2 - .40 S&W / 10mm

    H&K Heckler & Koch

    $19.95
    HK German MP5 40/10 -2 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...
    HKP-00336
    $19.95
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  • New - H&K MP5 40/10 Standard 8mm Roller - HKP-00338 HK MP5 Roller - Standard 8mm - .40 S&W / 10mm
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    HK MP5 Roller - Standard 8mm - .40 S&W / 10mm

    H&K Heckler & Koch

    $20.95
    HK German MP5 40/10 8mm Roller - Factory New Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a...
    HKP-00338
    $20.95
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  • RCM HK MP5 Recoil Rod Assembly HK MP5 Recoil Rod Assembly
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    HK MP5 Recoil Rod Assembly

    RCM

    $54.95
    RCM HK MP5 Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5 NOT compatible with SP5 with the F-style recoil rod MP5 clones and custom...
    HKP-22202
    $54.95
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