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 Mark 23 Disconnector - HKP-01766
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    HK Mark 23 Disconnector

    H&K Heckler & Koch

    $17.95
    HK Mark 23 Disconnector
    HKP-01766
    $17.95
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    Qty in Cart: 0
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    $17.95
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  • New - H&K HK Mark 23 Decocking Lever - Black - HKP-01784 HK Mark 23 Decocking Lever
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    HK Mark 23 Decocking Lever

    H&K Heckler & Koch

    $53.95
    HK Mark 23 Decocking Lever
    HKP-01784
    $53.95
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    $53.95
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  • New - H&K HK Mark 23 Decocker - HKP-01781
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    HK Mark 23 Decocker

    H&K Heckler & Koch

    $29.95
    HK Mark 23 Decocker  
    HKP-01781
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - H&K HK P30/P2000 Bushing DAO - HKP-17425
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    HK P30, P2000 Bushing - DAO

    H&K Heckler & Koch

    $9.95
    H&K HK P30/P2000 Bushing DAO New HK German bushing for the DAO (Dual Action Only) variant.
    HKP-17425
    $9.95
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    Qty in Cart: 0
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    $9.95
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  • New - H&K HK USP/45 V5/6/7 Tube - Black - HKP-02163
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    HK45, USP V5, V6, V7 Tube

    H&K Heckler & Koch

    $5.95
    HK USP/45 Variants 5, 6, & 7 Tube Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 357 HK USP Compact 40 HK USP Compact 45
    HKP-02163
    $5.95
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    Qty in Cart: 0
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    $5.95
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  • Out Of Stock
    New - H&K HK USP/USPC/45/45C LEM Sear - HKP-02704 HK45, HK45 Compact , USP, USPC LEM Sear

    HK45, HK45 Compact , USP, USPC LEM Sear

    H&K Heckler & Koch

    $0.00
    HK USP, USPC, 45, & 45C LEM Sear LEM Hammer Fit Replaces The LEM Hammer In The Following Pistols: USP USPC HK45 HK45C
    HKP-02704
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • New - H&K HK USP/45/45C V5 Complete Bobbed Hammer DAO - HKP-01592 HK45, HK45 Compact, USP V5 Complete Bobbed Hammer DAO
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    HK45, HK45 Compact, USP V5 Complete Bobbed Hammer DAO

    H&K Heckler & Koch

    $68.95
    Complete Bobbed Hammer DAO   Compatible With These Variants 5, 6, 7: USP 45 ACP USP Compact 9mm USP Compact 40 S&W USP Compact 357 SIG USP Compact 45 ACP HK45 HK45 Compact
    HKP-01592
    $68.95
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    $68.95
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  • New - H&K 21 (7.62x51/.308) Axle pin - HKP-15451
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    HK21 Barrel Grip Axle Pin

    H&K Heckler & Koch

    $9.95
    HK21 Barrel Grip Axle Pin Factory axle pin for HK21 barrel handle release levers.
    HKP-15451
    $9.95
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    $9.95
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  • Out Of Stock
    New - H&K PSG1 (7.62x51/.308) Firing Pin Spring - HKP-00535

    HK PSG1 Firing Pin Spring

    H&K Heckler & Koch

    $0.00
    HK German PSG-1 Firing Pin Spring. New HK German. A Great Item To Have On Hand As A Spare.
    HKP-00535
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • B&T APC9 Telescopic Stock Screw – M3x8mm B&T APC9 Telescopic Stock Screw – M3x8mm
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    B&T APC9 Telescopic Stock Screw – M3x8mm

    B&T Brugger & Thomet

    $1.67
    B&T APC9 Telescopic Stock Screw – M3x8mm – Factory Swiss Replacement SOLD INDIVIDUALLY Factory Swiss B&T M3x8mm machine screw used in the APC9 telescopic stock assembly. This metric fastener secures key telescopic stock components...
    HKP-99429
    $1.67
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    $1.67
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  • On Sale
    HK90 Series Cocking Tube End Cap - Aluminum - USED HK90 Series Cocking Tube End Cap - Aluminum - USED
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    HK90 Series Cocking Tube End Cap - Aluminum - USED

    HKP HK Parts

    Now: $7.95
    Was: $12.95
    HK Cocking Tube End Cap - Aluminum - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Made from weight-saving aircraft-grade aluminum alloy. US-made. Compatible With: All 90 series HK firearms and...
    HKP-02806-USED
    Now: $7.95
    Was: $12.95
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    Now: $7.95
    Was: $12.95
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  • On Sale
    New - H&K HK P7M13 Magazine Follower - Black - BLEMISHED - HKP-02364-B
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    HK P7M13 Magazine Follower - Black - BLEMISHED

    H&K Heckler & Koch

    Now: $22.95
    Was: $49.95
    H&K HK P7M13 Magazine Follower - Black - BLEMISHED ONLY 2 UNITS AVAILABLE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. All steel construction, brand new...
    HKP-02364-B
    Now: $22.95
    Was: $49.95
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    Now: $22.95
    Was: $49.95
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