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 - Navy Style - SEF - Match Trigger Group - HK SP5 - HKP-20665 HK SP5 Trigger Group - SEF Navy - 9mm Match - Clipped and Pinned
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    HK SP5 Trigger Group - SEF Navy - 9mm Match - Clipped and Pinned

    H&K Heckler & Koch

    $679.95
    Navy Style - SEF - Match Trigger Group - HK SP5 Ready to drop in your SP5 spec 9mm receiver. Great replacement for the 2 position trigger group. With the match trigger pack installed, the trigger slack take up is eliminated and travel is reduced. The...
    HKP-20665
    $679.95
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    Qty in Cart: 0
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    $679.95
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  • New - H&K HK 416, HK MR556 Folding Front Sight For Handguard - HKP-19462 HK416, MR556 Handguard Front Sight - Folding
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    HK416, MR556 Handguard Front Sight - Folding

    H&K Heckler & Koch

    $134.95
    HK Heckler and Koch Folding Front Sight for HK416, and HK MR556 Handguards German HK built in folding front sight for the forearms and handguards.
    HKP-19462
    $134.95
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    Qty in Cart: 0
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    $134.95
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  • On Sale
    New - HKP Short Sleeve Tee Female - Cardinal - HKP-21019-M
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    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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    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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    Qty in Cart: 0
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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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    Qty in Cart: 0
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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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  • Out Of Stock
    On Sale
    Used - H&K UMP (.40 S&W) Barrel - Used - HKP-00600

    HK UMP Barrel - .40 S&W - Used

    H&K Heckler & Koch

    Now: $299.95
    Was: $499.95
    Heckler and Koch Ump Barrel made in Germany  These are police department trade-in barrels in good shape and perfectly usable.
    HKP-00600
    Now: $299.95
    Was: $499.95
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    Now: $299.95
    Was: $499.95
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  • New - HK UMP/USC/SL8/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Fixed Rear Sight Flat Spring - HKP-16635
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    HK UMP, USC, SL8, G36 Fixed Rear Sight Flat Spring

    H&K Heckler & Koch

    $8.95
    HK Heckler and Koch Fixed Rear Sight Flat Spring or Leaf Spring for HK G36, HK SL8 and HK USC, HK UMP Compatible With: G36 SL8 USC UMP
    HKP-16635
    $8.95
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    Qty in Cart: 0
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    $8.95
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  • On Sale
    Used - H&K UMP (.40 S&W) Bolt Group - Used - HKP-00601 HK UMP Bolt Group - .40 S&W - Used
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    HK UMP Bolt Group - .40 S&W - Used

    H&K Heckler & Koch

    Now: $477.95
    Was: $649.95
    German UMP .40 factory F/A Bolt Group - Complete This item is used in very good shape.
    HKP-00601
    Now: $477.95
    Was: $649.95
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    Now: $477.95
    Was: $649.95
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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
    Qty in Cart: 0
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    $4.95
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