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 - H&K HK MR556/MR762/416/417 German E2 Concave Butt Pad - HKP-00050 HK416, MR556 Butt Pad - German E2 -Concave
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    HK416, MR556 Butt Pad - German E2 -Concave

    H&K Heckler & Koch

    $55.95
    H&K HK MR556/MR762/416/417 German E2 Concave Butt Pad Can be added as an option on the HK E1 416/417 stock. Providing you an option to use either the concave or convex style buttpads for different mission requirements. Compatible With: HK MR556 HK...
    HKP-00050
    $55.95
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  • Out Of Stock
    New - HK G36 Backplate w/ Recoil Buffer - HKP-18538 HK G36 Backplate with Recoil Buffer - US

    HK G36 Backplate with Recoil Buffer - US

    USA

    $44.95
    HK G36 Backplate With Recoil Buffer New G36 Backplate with new G36/SL8 recoil buffer. This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix...
    HKP-18538
    $44.95
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  • New - HK G36/SL8 (5.56/.223) Cocking Handle Axle Pin - HKP-18367 HK G36, SL8 Cocking Handle Axle Pin - USA
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    HK G36, SL8 Cocking Handle Axle Pin - USA

    USA

    $10.95
    HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 models HK SL8 models
    HKP-18367
    $10.95
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  • New - H&K G36 (5.56/.223) 10 Round Factory Magazine - Black - HKP-01083 HK G36 (5.56/.223) 10 Round Factory Magazine
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    HK G36 (5.56/.223) 10 Round Factory Magazine

    H&K Heckler & Koch

    $70.95
    HK G36 Black 10-Round Magazine   Compatible With: G36 G36K G36C Double stack capacity magwell converted SL8's. Features: Capacity: 10 rounds Condition: New Manufactured: HK Germany factory
    HKP-01083
    $70.95
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  • New - H&K USC/UMP (.40 S&W) Extractor - HKP-00264 HK USC/UMP (.40 S&W) Extractor
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    HK USC/UMP (.40 S&W) Extractor

    H&K Heckler & Koch

    $54.95
    HK German UMP Or USC .40 Extractor New HK German factory OEM part. This is a high wear and replacement item as the .40 cal cartridge has a high impulse that results in an increased occurrence of this extractor wearing out and breakage. A must-have...
    HKP-00264
    $54.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Support Tube - HKP-01883 HK UMP, USC Cocking Lever Support Tube
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    HK UMP, USC Cocking Lever Support Tube

    H&K Heckler & Koch

    $19.95
    HK UMP & USC Cocking Lever Support Tube  
    HKP-01883
    $19.95
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  • New - SureFire WARCOMP PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 - HKP-18024
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    HK G3, HK417 Flash Hider - WARCOMP - Threaded 5/8x24

    Surefire

    $159.95
    SureFire WARCOMP (7.62x51/.308) Flash Hider - Threaded 5/8x24 This flash hider is perfect for the post 2016 production PTR models as well as C308 models. Compatible With: HK G3/91/PTR HK 417/MR762 HK PSG1 B&T APR AR10 LR308 C308 7.62x51/.308...
    HKP-18024
    $159.95
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch - HKP-15792 HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
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    HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round

    H&K Heckler & Koch

    $49.95
    H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch  2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...
    HKP-15792
    $49.95
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  • New - HKP HK 416 .22 LR Flash Hider - HKP-21576 HKP HK 416 .22 LR Flash Hider
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    HKP HK 416 .22 LR Flash Hider

    HKP HK Parts

    $39.95
    HKP HK 416 .22 LR Flash Hider  Enhance your 416.22 pistol with a direct-mount flash hider boasting an elegant Birdcage style for an unmistakable custom appearance. Included O-ring ensures a securely locked flash hider, guaranteeing durability and...
    HKP-21576
    $39.95
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  • Used - H&K HK UMP 30 Round .40 Magazine - LEO Marked - HKP-20651 HK UMP 30 Round .40 Magazine - LEO Marked
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    HK UMP 30 Round .40 Magazine - LEO Marked

    H&K Heckler & Koch

    $64.95
    30 Round Magazine - LEO Marked - Used - UMP .40 S/W Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Used in good condition. The perfect option for those that like to collect LEO...
    HKP-20651
    $64.95
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  • New - H&K HK MR762/417/G28 Handguard Rail System Screw - Black - HKP-16601 HK416, MR556, HK417, MR762 Handguard Locking Screw
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    HK416, MR556, HK417, MR762 Handguard Locking Screw

    H&K Heckler & Koch

    $16.95
    HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver.  Compatible With: HK HK416 HK MR556 HK HK417 (2 required per handguard) HK MR762 (2 required per handguard)
    HKP-16601
    $16.95
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  • New - H&K HK MR556/MR762/416/417 Disconnector - HKP-02674
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    HK416, HK417, MR556, MR762 Disconnector

    H&K Heckler & Koch

    $18.95
    H&K HK MR556/MR762/416/417 Disconnector For Lower New HK German manufactured part. This is the latest generation of HK disconnector for the HK MR and HK 416/417 family of firearms. Compatible With: HK MR556 HK 416 HK MR762 HK 417 Please Note: HK...
    HKP-02674
    $18.95
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