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 P30S Right Safety Lever - HKP-16757 HK P30S Right Safety Lever
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    HK P30S Right Safety Lever

    H&K Heckler & Koch

    $49.95
    HK P30S, P30LS and P30SK(V3) Safety Lever With Axle- Right Side
    HKP-16757
    $49.95
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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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  • 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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  • Out Of Stock
    New - H&K HK USP/USPC/45/45C LEM Sear - HKP-02704 HK45, HK45 Compact, USP, USP Compact LEM Sear

    HK45, HK45 Compact, USP, USP Compact 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
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    $0.00
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  • New - H&K HK USP Series/45/45C V7 LEM Hammer Axle - HKP-01929
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    HK45, HK45 Compact, HK USP Series V7 LEM Hammer Axle

    H&K Heckler & Koch

    $49.95
    HK USP Series/45/45C V7 LEM Hammer Axle   Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Compact 45 HK USP Compact 40 HK USP Compact 9mm HK USP Compact 357 HK45 HK45 Compact
    HKP-01929
    $49.95
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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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  • 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 Burst Lower Slide (0,1,2) - .40 S&W / .45 ACP / 9mm / 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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  • New - H&K 21 (7.62x51/.308) Axle pin - HKP-15451
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    HK21 Axle pin - 7.62x51 / .308

    H&K Heckler & Koch

    $9.95
    H&K 21 (7.62x51/.308) Axle pin 11x12mm
    HKP-15451
    $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
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  • New - H&K MP5 A3 Retractable Buttstock Release Lever - HKP-16404 HK MP5 Release Lever - A3 Retractable Buttstock
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    HK MP5 Release Lever - A3 Retractable Buttstock

    H&K Heckler & Koch

    $19.95
    HK MP5 A3 Retractable Buttstock Release Lever For use with the newer Navy or F style A3 retractable MP5 stocks. Not for use on the older 1st generation metal levered MP5 stocks. This lever is much easier to break than the older style and a must have item...
    HKP-16404
    $19.95
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  • HK416, HK417, MR556, MR762 Cylindrical Head Screw HK416, HK417, MR556, MR762 Cylindrical Head Screw
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    HK416, HK417, MR556, MR762 Cylindrical Head Screw

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Cylindrical Screw for MR762, HK417, MR556, HK416 Factory replacement cylindrical lens-head Allen screw for maintaining or repairing your HK417 and MR556 rifles with original-spec hardware. Compatible With: HK417, MR762 HK416, MR556
    HKP-22433
    $19.95
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  • New - MKE 90 Series Sear & Trigger Axle - HKP-22233 MKE 90 Series Sear & Trigger Axle MKE HKP-22233
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    HK90 Series Sear and Trigger Axle - USA

    MKE

    $1.99
    HK Sear and Trigger Axle For 90 Series - SURPLUS MKE sear and trigger axle for the 90 series style trigger packs. Each axle pin (aka pivot pin) measures .197 inches (5.0mm). Each HK trigger pack uses a total of 2 of these axle pins per trigger pack...
    HKP-22233
    $1.99
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    $1.99
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