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/USC (.45 ACP) Extractor - HKP-00265 HK UMP, USC Extractor - .45 ACP
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    HK UMP, USC Extractor - .45 ACP

    H&K Heckler & Koch

    $49.95
    New USC & UMP .45 Extractor - German Compatible with both the USC & UMP. Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once it is removed from the...
    HKP-00265
    $49.95
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  • New - H&K MP5F & MP5 40,10 Recoil Rod Assembly - HKP-00133 HK MP5 Recoil Rod Assembly - Complete
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    HK MP5 Recoil Rod Assembly - Complete

    H&K Heckler & Koch

    $79.95
    German HK MP5F Recoil Assembly This is the factory-correct MP5F or MP5 40/10 Recoil Rod assembly. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for all MP5 40 or 10-mm bolt groups. A great upgrade to have...
    HKP-00133
    $79.95
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  • Out Of Stock
    Used - Dual/Single Optic Front Sight Screw - G36 - Extended - HKP-20894 HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics

    HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics

    USA

    $5.95
    Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic.    Compatible With: HK G36 HK SL8
    HKP-20894
    $5.95
    Out Of Stock
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    $5.95
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  • Used - Compression Rod - 90's Series - Titanium - HKP-20887 HK 90's Series Compression Rod - Titanium
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    HK 90's Series Compression Rod - Titanium

    HKP HK Parts

    $29.95
    Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...
    HKP-20887
    $29.95
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  • On Sale
    New - H&K HK USP V1/V2 Old Style Complete Hammer - HKP-01602
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    HK USP V1, V2 Old Style Complete Hammer

    H&K Heckler & Koch

    Now: $29.95
    Was: $79.95
    HK USP V1/V2 Old Style Complete Hammer HK USP complete with pin - hammer variant 1, 2, and 9. Old style all metal USP spurred hammer.
    HKP-01602
    Now: $29.95
    Was: $79.95
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    Now: $29.95
    Was: $79.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Ambidextrous Sling Loop - HKP-00611 HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Ambidextrous Sling Loop
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    HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Ambidextrous Sling Loop

    H&K Heckler & Koch

    $40.95
    UMP, USC, SL8, & G36 Ambidextrous Sling Loop Or Eyebolt For Sling - German HK The addition of the HK eyelet creates a sling attachment point that will enable you to mount a sling using any of the hard mounting points located on the forearm of the...
    HKP-00611
    $40.95
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    $40.95
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  • New - HKP HK CC9 IWB Clip - Minimalist - HKP-22095 HK CC9 IWB Clip - Minimalist
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    HK CC9 IWB Clip - Minimalist

    HKP HK Parts

    $59.95
    HKP HK CC9 IWB Clip - Minimalist The HKP HK CC9 IWB clip offers a minimalist solution for absolute concealment. When a holster creates undesired printing, our IWB eliminates the bulk to keep the pistol safe from discovery.  Our IWB clip fits snug...
    HKP-22095
    $59.95
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  • Out Of Stock
    New - H&K MP5 40/10 Bolt Hold Torsion Spring - HKP-00455

    HK MP5 Bolt Hold Torsion Spring - 10mm / .40 S&W

    H&K Heckler & Koch

    $39.95
    MP5 40, 10 Bolt Hold Torsion Spring This is the factory spring used to activate the bolt hold-open lever. Great spare and needed part to have on hand.
    HKP-00455
    $39.95
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    $39.95
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  • New - H&K VP9, VP40 Grip Panel Right Side - Medium - Black - HKP-16809 HK VP9, VP40 Grip Panel Right Side - Medium - Black
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    HK VP9, VP40 Grip Panel Right Side - Medium - Black

    H&K Heckler & Koch

    $17.95
    H&K VP9, VP40 Grip Panel Right Side - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40
    HKP-16809
    $17.95
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    $17.95
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  • New - HK G36/SL8 (5.56/.223) Extractor Axle - HKP-18370
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    HK G36, SL8 Extractor Axle - USA

    $6.95
    HK G36, SL8 Extractor Axle- US Made New extractor axle for use on all G36, Sl8 bolt heads. This part can become heavily worn and is prone to breakage. Compatible With: HK G36 models HK Sl8 models
    HKP-18370
    $6.95
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  • Out Of Stock
    New - H&K 21E/11E (7.62x51/.308) Extractor Spring - HKP-00815

    HK21E, HK11E Extractor Spring

    H&K Heckler & Koch

    $24.95
    HK21E & 11E Factory Extractor Spring Made by HK Germany for all HK21E's and 11E's.
    HKP-00815
    $24.95
    Out Of Stock
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    $24.95
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  • New - HKP HK MP5, SP5 20 Round Magazine Spring - HKP-20687 HK MP5, HK94, SP5 Magazine Spring - 20 Round
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    HK MP5, HK94, SP5 Magazine Spring - 20 Round

    HKP HK Parts

    $6.95
    20 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.
    HKP-20687
    $6.95
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    $6.95
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