HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • New - Timney Triggers HK93 & HK33 .223/5.56 2-Stage Trigger - HKP-20509 HK33, HK93 2-Stage Trigger
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    HK33, HK93 2-Stage Trigger

    Timney Triggers

    $388.95
    Timney Trigger for - HK93, HK33 The Timney HK93 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy.This offering comes complete with a Factory...
    HKP-20509
    $388.95
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    $388.95
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  • On Sale
    New - HKP Short Sleeve Tee Female - Cardinal - HKP-21019-M
    Choose Options

    HKP Women's Shirt - Short Sleeve - Cardinal

    HKP HK Parts

    Now: $9.99
    Was: $14.95
    HKP Short Sleeve Shirt for Women - Cardinal Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...
    HKP-21019-M
    Now: $9.99
    Was: $14.95
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  • Out Of Stock
    New - HKP HK UMP, USC, G36, SL8 Sear - HKP-19555 HK UMP, USC, G36, SL8 Sear, Complete

    HK UMP, USC, G36, SL8 Sear, Complete

    HKP HK Parts

    $14.95
    HKP HK Parts Complete Sear for HK G36, HK UMP, HK USC, and HK SL8 Made in the USA Compatible With: UMP USC G36 SL8
    HKP-19555
    $14.95
    Out Of Stock
    Qty in Cart: 0
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    $14.95
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  • New - H&K HK MR762/417 Handguard Compression Spring - HKP-16796
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    HK417, MR762 Handguard Compression Spring

    H&K Heckler & Koch

    $8.95
    H&K HK MR762/417 Handguard Compression Spring   Heckler & Koch compression spring for HK MR762 and HK 417 handguard   Compatible With: HK MR 762 HK 417
    HKP-16796
    $8.95
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    $8.95
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  • New - HK G41 Firing Pin - HKP-02050
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    HK G41 Firing Pin

    H&K Heckler & Koch

    $24.95
    HK G41 Firing Pin
    HKP-02050
    $24.95
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    $24.95
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  • On Sale
    New - HKP HK MR556/416 DMR KeyMod 9" Handguard - Black - HKP-17982
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    HK416, MR556 Handguard - KeyMod 9"

    HKP HK Parts

    Now: $99.95
    Was: $269.95
    HK MR556 & HK416 Standard Length 9" - KeyMod Handguard
    HKP-17982
    Now: $99.95
    Was: $269.95
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    Now: $99.95
    Was: $269.95
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  • Out Of Stock
    New - HDPS HK UMP (.40 S&W/.45 ACP) Birdcage Flash Hider - HKP-02694 HK UMP Birdcage Flash Hider

    HK UMP Birdcage Flash Hider

    HDPS

    $154.95
    HDPS HK UMP (.40 S&W/.45 ACP) Birdcage Flash Hider This part is made to fit all US-made or German HK-flanged style barrels. HK no longer makes a flash hider for the UMP Subgun. This is the much anticipated HDPS bird cage style UMP...
    HKP-02694
    $154.95
    Out Of Stock
    Qty in Cart: 0
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    $154.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Right - HKP-01892
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    HK UMP, USC Hammer Spring - Right

    H&K Heckler & Koch

    $14.95
    HK UMP & USC Right Side Hammer Spring For Lowers
    HKP-01892
    $14.95
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  • On Sale
    New - MM HK UMP (.40 S&W) Conversion Kit - HKP-18754 HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine
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    HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine

    Michaels Machines

    Now: $849.95
    Was: $999.95
    HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple drop-in conversion. The time required to change...
    HKP-18754
    Now: $849.95
    Was: $999.95
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    Now: $849.95
    Was: $999.95
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  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Countersunk Screw - 6x12MM - HKP-16424

    HK21 Countersunk Screw - 6x12mm

    H&K Heckler & Koch

    $4.95
    HK 21 Countersunk Screw - 6x12MM
    HKP-16424
    $4.95
    Out Of Stock
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    $4.95
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  • New - H&K 21E/23E Backplate - HKP-00241 HK21E, HK23E Backplate
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    HK21E, HK23E Backplate

    H&K Heckler & Koch

    $289.95
    H&K 21E/23E(7.62x51/.308) & (5.56/.223) Backplate These factory German HK21E/23E back plates are no longer in production.  Grab yours before they are gone for good!  
    HKP-00241
    $289.95
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    $289.95
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  • Out Of Stock
    New - B&T HK MSG90 (7.62x51/.308) Extended Swiss Mount - HKP-17285

    HK MSG90 Optic Mount - Extended 340mm - Picatinny Rail

    B&T Brugger & Thomet

    $299.95
    Extended B&T Mounting Rail for HK MSG90 with Support for Brass Catcher This is the finest MSG90 scope/brass catcher mount available! Specifications: Color: Black Height max: 22.5 mm Length max: 340 mm Length of top rail: 332.5 mm Material: Aluminum...
    HKP-17285
    $299.95
    Out Of Stock
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    $299.95
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