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 UMP (.40 S&W/.45 ACP/9mm) Firing Pin Retainer Pin - HKP-01894
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    HK UMP Firing Pin Retainer Pin - .40 S&W / .45 ACP / 9mm

    H&K Heckler & Koch

    $7.95
    HK UMP Firing Pin - Retainter Pin   This is the pin that trips the trip lever on the UMP lower.   Compatible With: HK UMP  
    HKP-01894
    $7.95
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  • New - H&K 93/53/33 & HK21E/23E Cocking Handle Pivot Pin - HKP-21746 HK33, HK53, HK93, HK21E, 23E Cocking Handle Pivot Pin
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    HK33, HK53, HK93, HK21E, 23E Cocking Handle Pivot Pin

    H&K Heckler & Koch

    $18.95
    H&K 93/53/33 & HK21E/23E Cocking Handle Pivot Pin This genuine H&K cocking handle pivot pin allows smooth operation of the charging handle assembly. While the nipple on the 21E pin is slightly shorter than the 33 pin, it remains fully...
    HKP-21746
    $18.95
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  • New - H&K HK P7 PSP/P7M8 Magazine Locking Plate - HKP-01313 HK P7 PSP, P7M8 Magazine Locking Plate
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    HK P7 PSP, P7M8 Magazine Locking Plate

    H&K Heckler & Koch

    $12.95
    HK P7 PSP/P7M8 Magazine Locking Plate Compatible With: PSPP7M8
    HKP-01313
    $12.95
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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 - H&K Sear Complete For HK Burst Trigger Packs - HKP-17028
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    HK Series Sear Catch - Steel - Burst

    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 - USA HK UMP Left Hammer Spring - HKP-20840 HK UMP Hammer Spring - Left
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    HK UMP Hammer Spring - Left

    USA

    $9.95
    USA HK UMP Left Hammer Spring New U.S hammer spring- left side A high wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With:  HK UMP models 45, .40 & 9mm USC .45 and other...
    HKP-20840
    $9.95
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  • New - H&K HK 45/P30 Lockout Key - HKP-02504
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    HK45, P30 Lockout Key

    H&K Heckler & Koch

    $12.95
    Safety Lockout Key HK45, HK45C, P30, & P30L New HK German lockout key for the factory HK mag release lockout. Compatible With: HK 45, HK45 Tactical HK 45C, HK45C Tactical All HK P30 All HK P30L All HK P30
    HKP-02504
    $12.95
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  • New - H&K P30/45 Series Cylindrical Grip Pin - HKP-01808
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    HK45 Series, P30 Series Grip Pin - Cylindrical

    H&K Heckler & Koch

    $5.95
    H&K P30 & 45 Series Cylindrical Grip Pin  Compatible With: HK 45 HK 45 Compact HK P30 HK P30 V2 HK P30 V3 HK P30L HK P30L V2 HK P30L V3
    HKP-01808
    $5.95
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  • New - HKP HK MP5 (.40 S&W) Locking Roller -6 - HKP-17566
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    HKP HK MP5 (.40 S&W) Locking Roller -6

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, -6 The proper roller size is essential for headspacing the bolt gap correctly. 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...
    HKP-17566
    $11.95
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  • New - HKP Front Sight Tower Ambi Sling Attachment Weldment - HKP-17881 HKP Front Sight Tower Ambi Sling Attachment Weldment
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    HKP Front Sight Tower Ambi Sling Attachment Weldment

    HKP HK Parts

    $14.95
    HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...
    HKP-17881
    $14.95
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  • Out Of Stock
    New - HKP HK VP9, HK VP40 Right Side Slide Racker - Black - HKP-17671

    HK VP9, HK VP40 Slide Racker - Right Side

    HKP HK Parts

    $49.95
    HK Parts HK VP9 and HK VP40 Right Side Slide Racker For those that would like a like a faster racking option and competitive shooters alike. The HK Parts "slide racker" is a drop in replacement part of your existing slide plate. Easy to install and a...
    HKP-17671
    $49.95
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    $49.95
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  • New - H&K HK P30/P2000 Release Latch & Decocker - HKP-01773
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    HK P30, P2000 Release Latch & Decocker

    H&K Heckler & Koch

    $32.95
    HK P30 & P2000 Release Latch & Decocker Compatible With: HK P30 HK P30L HK P2000 HK P2000SK
    HKP-01773
    $32.95
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