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 416/417/MR556/MR762 Bridge - HKP-02676 HK416, MR556, HK417, MR762 Bridge
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    HK416, MR556, HK417, MR762 Bridge

    H&K Heckler & Koch

    $24.95
    Heckler and Koch HK416, HK MR556, HK417, and MR762 Bridge For Lowers Compatible With: HK416, MR556 HK417, MR762
    HKP-02676
    $24.95
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    $24.95
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  • New - HK G36/SL8 (5.56/.223) Ejector Spring - HKP-18374 HK G36, SL8 Ejector Spring
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    HK G36, SL8 Ejector Spring

    USA

    $19.95
    HK G36 & SL8 Series Of Ejector Spring. Great item to have on hand as this is prone to wear and breakage- US.
    HKP-18374
    $19.95
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    $19.95
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  • New - H&K UMP .40 S&W, .45 ACP, 9mm Magazine Release Axle - HKP-02159 HK UMP Magazine Release Axle
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    HK UMP Magazine Release Axle

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Magazine Release Axle for HK UMP Replacement magazine release axle for HK UMP platforms. This component is commonly replaced due to wear or breakage and may also be required when configuring compliant magazine release systems where...
    HKP-02159
    $19.95
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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
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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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  • New - H&K HK MR762/417 Gas Block Pin - HKP-16596
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    HK417, MR762 Gas Block Pin

    H&K Heckler & Koch

    $7.95
    H&K HK MR762/417 Gas Block Pin This is the retaining pin for an HK MR762 gas block. A must have as HK says you have to use new pins once they are removed. Compatible With: HK MR762 HK 417
    HKP-16596
    $7.95
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  • New - H&K HK USPC .40 S&W Recoil Rod Assembly - HKP-01479 HK USPC .40 S&W Recoil Rod Assembly
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    HK USPC .40 S&W Recoil Rod Assembly

    H&K Heckler & Koch

    $89.95
    Recoil Spring Guide Rod Assembly Complete For The HK USP Compact 40 Cal & .357 SIG New HK German factory part. This is a great spare or replacement item to have on hand. Compatible With: HK USP Compact 40 Cal HK USP Compact .357 SIG
    HKP-01479
    $89.95
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  • New - H&K HK P7M10/P7M13 Retaining Pin - HKP-16436
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    HK P7M10, P7M13 Retaining Pin

    H&K Heckler & Koch

    $4.95
    H&K HK P7M10/P7M13 Retaining Pin
    HKP-16436
    $4.95
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    $4.95
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  • Out Of Stock
    New - H&K HK USP/USPC .45 ACP New Style Extractor - HKP-01478 HK USP, USP Compact .45 ACP New Style Extractor

    HK USP, USP Compact .45 ACP New Style Extractor

    H&K Heckler & Koch

    $59.95
    New Style Extractor New HK German part with red loaded chamber indicator.  Compatible with: USP 45, USP 45 Tactical USP Compact .45, USPC .45 Tactical USP Expert
    HKP-01478
    $59.95
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    $59.95
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  • New - H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier - HKP-16847
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    HK416, MR556 Bolt Carrier Roll Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416
    HKP-16847
    $6.95
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  • New - H&K HK P Series LEM Hammer - HKP-15436 HK P Series LEM Hammer
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    HK P Series LEM Hammer

    H&K Heckler & Koch

    $65.95
    H&K HK P Series LEM Hammer Factory HK German hammer. Compatible With: HK P30 P30L P30SK HK P2000 P2000SK
    HKP-15436
    $65.95
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    $65.95
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  • New - H&K HK USP/USPC/45/45C Sear Roll Pin - HKP-01815
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    HK45, HK45 Compact, USP, USPC Sear Roll Pin

    H&K Heckler & Koch

    $5.95
    Sear Roll Pin HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK45 HK45 Compact
    HKP-01815
    $5.95
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    $5.95
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