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 VP9, HK VP40 Locking Block Guide - HKP-16789 HK VP9, VP40 Locking Block Guide
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    HK VP9, VP40 Locking Block Guide

    H&K Heckler & Koch

    $119.95
    Heckler and Koch Locking Block Guide for HK VP9 and HK VP40 Locking Block Guide complete, welded for all VP9 and VP40 frames. Compatible With: VP9 VP9F VP9K VP40  
    HKP-16789
    $119.95
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    $119.95
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  • New - H&K HK MR762/417 Charging Handle Latch Spring - HKP-16600
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    HK417, MR762 Charging Handle Latch Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417 Charging Handle Latch Spring This is the charging handle release latch spring. Compatible With: HK MR762 HK 417
    HKP-16600
    $9.95
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    $9.95
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  • New - H&K HK 45 Grip Bearing With Lockout Device - HKP-02215 HK45 Grip Bearing With Lockout Device
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    HK45 Grip Bearing With Lockout Device

    H&K Heckler & Koch

    $26.95
    HK 45 Grip Bearing With Lockout Device
    HKP-02215
    $26.95
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    Qty in Cart: 0
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    $26.95
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  • New - H&K HK P7 Series Cocking Lever Spring Roll Pin - HKP-01358
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    HK P7 Series Cocking Lever Spring Roll Pin

    H&K Heckler & Koch

    $5.95
    HK P7 Series Cocking Lever Spring Roll Pin Compatible With: PSP P7M8 P7M10 P7M13
    HKP-01358
    $5.95
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    $5.95
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  • New - H&K HK Mark 23 Right Side Safety Lever - HKP-01787
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    HK Mark 23 Right Side Safety Lever

    H&K Heckler & Koch

    $33.95
    HK Mark 23 Right Side Safety Lever
    HKP-01787
    $33.95
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    $33.95
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  • New - H&K HK Mark 23/SOCOM Hammer Strut - HKP-01593
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    HK Mark 23, SOCOM Hammer Strut

    H&K Heckler & Koch

    $42.95
    Heckler and Koch Hammer Strut for HK Mark 23 and SOCOM
    HKP-01593
    $42.95
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    $42.95
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  • New - H&K HK P30 Loaded Chamber Indicator - HKP-02213 HK P30, P30L Loaded Chamber Indicator
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    HK P30, P30L Loaded Chamber Indicator

    H&K Heckler & Koch

    $46.95
    HK P30 Loaded Chamber Indicator  
    HKP-02213
    $46.95
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    $46.95
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  • New - H&K HK P30S/P30LS Control Latch - HKP-18120 HK P30S, P30LS Control Latch
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    HK P30S, P30LS Control Latch

    H&K Heckler & Koch

    $9.95
    HK German Control Latch Compatible With: HK P30S HK P30LS
    HKP-18120
    $9.95
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    $9.95
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  • Out Of Stock
    New - HK UMP (9mm) Extractor - HKP-02625

    HK UMP, USC Extractor - 9mm

    USA

    $39.95
    New US-Made USC & UMP 9mm Extractor: This is the perfect spare part for your UMP or USC 9mm conversion.  Please Note: HK considers this a high wear and replacement item. Once it's removed from the carrier, the spring tension...
    HKP-02625
    $39.95
    Out Of Stock
    Qty in Cart: 0
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    $39.95
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  • New - H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Burst Lower Slide (0,1,2) - HKP-01887
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    HK UMP, G36 Lower Slide - Burst 0,1,2 - 9mm. .40 S&W, .45 ACP, 5.56 / .223

    H&K Heckler & Koch

    $14.95
    HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only  Compatible With: HK UMP HK G36    
    HKP-01887
    $14.95
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    $14.95
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  • New - H&K 21E/11E/PSG1/MSG90 Firing Pin - HKP-01758 HK21E, HK11E, PSG1, MSG90 Firing Pin
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    HK21E, HK11E, PSG1, MSG90 Firing Pin

    H&K Heckler & Koch

    $119.95
    HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK.  We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...
    HKP-01758
    $119.95
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    $119.95
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  • On Sale
    New - H&K MP5 40/10 Standard 8mm Roller - BLEMISHED - HKP-00338-B HK MP5 Roller Standard 8mm - .40 S&W, 10mm - BLEMISHED
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    HK MP5 Roller Standard 8mm - .40 S&W, 10mm - BLEMISHED

    H&K Heckler & Koch

    Now: $12.95
    Was: $20.95
    H&K MP5 40/10 Standard 8mm Roller - BLEMISHED MEASURED 8.00mm ROLLER MARKED INCORRECTLY. PACKAGING MAY NOT REFLECT PRODUCT. CONDTION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...
    HKP-00338-B
    Now: $12.95
    Was: $20.95
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    Now: $12.95
    Was: $20.95
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