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 MP5 40/10 +4 Roller - HKP-00335 HK MP5 Locking Roller +4 - .40 S&W, 10mm
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    HK MP5 Locking Roller +4 - .40 S&W, 10mm

    H&K Heckler & Koch

    $20.95
    H&K Heckler and Koch New +4 roller for HK MP5 40/10  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...
    HKP-00335
    $20.95
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  • New - H&K MP5 & HK94 Recoil Guide Rod - HKP-01054
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    HK MP5, HK94 Recoil Guide Rod

    H&K Heckler & Koch

    $14.95
    New HK German MP5, 94 Recoil Guide Rod Bar
    HKP-01054
    $14.95
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    $14.95
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  • New - H&K CC9 Firing Pin Spring Retainer - HKP-22139
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    HK CC9 Firing Pin Spring Retainer

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Spring Retainer Manufactured in Germany by H&K, this part secures the firing pin spring to the firing pin assembly, ensuring proper striker function during cycling. Compatible With: HK CC9    
    HKP-22139
    $5.95
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    $5.95
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  • New - H&K CC9 Magazine Catch - HKP-22106
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    HK CC9 Magazine Catch

    H&K Heckler & Koch

    $16.95
    Heckler and Koch Magazine Catch HK CC9   Genuine HK magazine catch for the CC9 pistol engages and locks the magazine in place while allowing for the quick release during reloads. Compatible With: CC9  
    HKP-22106
    $16.95
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  • New - H&K CC9 Disassembly Lever - HKP-22105 HK CC9 Disassembly Lever
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    HK CC9 Disassembly Lever

    H&K Heckler & Koch

    $19.95
    H&K CC9 Disassembly Lever Made in Germany, this CC9 disassembly lever allows removal of the slide assembly from the frame for maintenance and cleaning. Compatible With: HK CC9
    HKP-22105
    $19.95
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  • On Sale
    New - HKP HK MR556/416 Extractor - BLEMISHED - HKP-21826-B HK416, MR556 Extractor - BLEMISHED
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    HK416, MR556 Extractor - BLEMISHED

    HKP HK Parts

    Now: $24.95
    Was: $39.95
    HKP HK MR556/416 Extractor - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HKP HK MR556/416 extractor is a precision-engineered component designed...
    HKP-21826-B
    Now: $24.95
    Was: $39.95
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    Now: $24.95
    Was: $39.95
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  • New - H&K HK MR762/417 Charging Handle Catch - HKP-16852 HK417, MR762 Charging Handle Catch
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    HK417, MR762 Charging Handle Catch

    H&K Heckler & Koch

    $59.95
    HK MR762, HK417 Extended Charging Handle Catch Complete  New HK German manufacture. A great part to have on hand as these are prone to breakage and wear. Compatible With: HK MR762 HK 417 HK G28
    HKP-16852
    $59.95
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  • New - H&K HK USP Full Size Right Side Ambidextrous Control Lever - HKP-16625
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    HK USP Full Size Right Side Ambidextrous Control Lever

    H&K Heckler & Koch

    $29.95
    H&K HK USP Full Size Right Side Ambidextrous Control Lever Good spare to have on hand as they are prone to damage or cracking. This item will only fit the left side ambidextrous control lever with axle.
    HKP-16625
    $29.95
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  • Out Of Stock
    New - H&K HK USP Variant 1-6, 9 & 10 Hammer Axle - HKP-01931

    HK USP Variant 1-6, 9, 10 Hammer Axle

    H&K Heckler & Koch

    $31.95
    HK USP Variant 1-6, 9, & 10 Hammer Axle   Compatible With: HK USP 9mm HK USP 40 HK USP 45
    HKP-01931
    $31.95
    Out Of Stock
    Qty in Cart: 0
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    $31.95
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  • New - H&K HK USP Series Old Style Firing Pin Block - HKP-01926 HK USP Firing Pin Block - Old Style
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    HK USP Firing Pin Block - Old Style

    H&K Heckler & Koch

    $29.95
    HK USP Series Old Style Firing Pin Block Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Compact 9mm HK USP Compact 357 HK USP Compact 40 HK USP Compact 45
    HKP-01926
    $29.95
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  • New - H&K HK G36/SL8 Sling Pin Forearm Retaining Clip - HKP-16366 HK G36, SL8 Sling Pin Retaining Clip for Handguards
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    HK G36, SL8 Sling Pin Retaining Clip for Handguards

    H&K Heckler & Koch

    $9.95
    HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory Forearm
    HKP-16366
    $9.95
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    $9.95
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  • Out Of Stock
    New - H&K HK SL8-1 Sear Spring - HKP-16399

    HK SL8-1 Sear Spring

    H&K Heckler & Koch

    $9.95
    Heckler and Koch HK SL8-1 Sear Spring
    HKP-16399
    $9.95
    Out Of Stock
    Qty in Cart: 0
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    $9.95
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