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 - HKP HK MP5 Enhanced Recoil Spring - HKP-22209
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    HK MP5 Recoil Spring - Enhanced

    HKP HK Parts

    $16.95
    HKP HK MP5 Enhanced Recoil Spring The HK Parts enhanced recoil spring offers a 5% increase in strength over the factory MP5 spring. Ideal for high round count firearms, suppressed setups, or simply to improve longevity. Won't fit F style recoil rods or...
    HKP-22209
    $16.95
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  • New - H&K HK P30L Complete Recoil Assembly - HKP-02485 HK P30L Recoil Rod Assembly - Complete
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    HK P30L Recoil Rod Assembly - Complete

    H&K Heckler & Koch

    $97.95
    Heckler and Koch Complete Recoil Rod Assembly for HK P30L 9mm Genuine German HK recoil rod assembly for the P30L 9mm. A fresh factory recoil spring restores proper cycling and ensures the pistol functions to original HK specifications. Compatible...
    HKP-02485
    $97.95
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  • New - H&K 30/32 Round HK USP/P30/VP9 Magazine Spring - HKP-16407 HK USP, P30, VP9 Magazine Spring - 30 and 32 Round Mags
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    HK USP, P30, VP9 Magazine Spring - 30 and 32 Round Mags

    H&K Heckler & Koch

    $9.95
    Heckler and Koch 30, 32 Round Magazine Spring for HK USP, HK P30, HK VP9 HK German manufacture new production HK USP 9mm 32 round magazine spring. A super rare and hard to find part for the USP 9mm extended 32 round magazines. This spring took years of...
    HKP-16407
    $9.95
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  • New - HK UMP & G36 Pistol Grip Storage Insert - HKP-20176 HK G36, UMP Pistol Grip Storage Insert
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    HK G36, UMP Pistol Grip Storage Insert

    USA

    $16.95
    HK UMP & G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a perfect storage location for paperwork,...
    HKP-20176
    $16.95
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  • New - H&K HK VP9B Push Button Mag Release Tool - HKP-19747 HK VP9B Push Button Mag Release Tool
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    HK VP9B Push Button Mag Release Tool

    H&K Heckler & Koch

    $17.99
    Push Button Mag Release Disassembly Tool - HK VP9 B The factory HK OEM tool used to change the left to right mag release button of  the VP9B models. Compatible With: HK VP9B NOT compatible with VP9A1 F, VP9A1 K
    HKP-19747
    $17.99
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  • New - H&K HK P2000/P30/USP Heavy Firing Pin Block Spring - HKP-01603
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    HK P30, P2000, USP Block Spring - Heavy Firing Pin

    H&K Heckler & Koch

    $5.95
    HK P2000 & P30 Heavy Firing Pin Block Spring This is the heavy LEM spring found on the LEM conversion. Compatible With: Any post-2005 production USP & UPSC P2000 P2000SK P30 P30SK Will fit the HK45 & HK45C models
    HKP-01603
    $5.95
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  • Out Of Stock
    New - H&K HK USP Recoil Rod Secondary Buffer Spring - HKP-02470 HK USP Buffer Spring

    HK USP Buffer Spring

    H&K Heckler & Koch

    $9.95
    HK USP Recoil Rod Secondary Buffer Spring This is the spring found under the larger primary recoil spring on the recoil assembly Compatible With: HK USP 45 HK USP 40 HK USP 9mm All HK USP Tactical models HK Elite, Expert
    HKP-02470
    $9.95
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    $9.95
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  • New - H&K UMP (.45 ACP) Magazine Locking Plate - HKP-16338 HK UMP Magazine Locking Plate - .45 ACP
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    HK UMP Magazine Locking Plate - .45 ACP

    H&K Heckler & Koch

    $9.95
    H&K UMP (.45 ACP) Magazine Locking Plate
    HKP-16338
    $9.95
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  • New - H&K USC (.45 ACP) Carbine Mag Release - HKP-02196
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    HK USC Magazine Release - .45 ACP

    H&K Heckler & Koch

    $19.95
    H&K USC (.45 ACP) Carbine Mag Release This is a great replacement as they are prone to breakage & wear. Please Note: For those that have a USC with a bullet button and are moving to a free state and want to revert back to the...
    HKP-02196
    $19.95
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  • New - H&K MP5 40/10 Magazine Release Lever Spring - HKP-18109 HK MP5 Magazine Release Lever Spring - .40 S&W, 10mm
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    HK MP5 Magazine Release Lever Spring - .40 S&W, 10mm

    H&K Heckler & Koch

    $9.95
    H&K Heckler and Koch Magazine Release Lever Spring for HK MP5 40,10 The needed spring that fits in the mag release lever and the magwell for the MP5 40,10 series. Made in Germany and no longer offered or made. These units are the latest design with...
    HKP-18109
    $9.95
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  • New - H&K HK SL8, HK G36 Magazine Release Spring - HKP-16344
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    HK SL8, G36 Magazine Release Spring

    H&K Heckler & Koch

    $9.95
    HK German G36 & SL8 Magazine Release Spring A must have spare part. Compatible With: G36 SL8
    HKP-16344
    $9.95
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  • New - H&K HK Mark 23/SOCOM Firing Pin Spring - HKP-01627
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    HK Mark 23 Firing Pin Spring

    H&K Heckler & Koch

    $8.95
    HK Mark 23 Firing Pin Spring Compatible With: HK Mark 23 SOCOM
    HKP-01627
    $8.95
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