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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  • HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM
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    HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM

    Michaels Machines

    $1,478.95
    MM HK21 Barrel - 17.7" - CHF Michael's Machines HK21 barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Each barrel ships complete with a factory new flash hider and fully assembled handle comprised...
    HKP-22534
    $1,478.95
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    $1,478.95
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  • HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7"
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    HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7"

    RCM

    $1,089.95
    HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" RCM HK21 barrels are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Each barrel ships complete with a new factory flash hider and fully assembled handle...
    HKP-22533
    $1,089.95
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    Qty in Cart: 0
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    $1,089.95
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  • HK MP5K, AP5-P Trunnion - 9mm HK MP5K, AP5-P Trunnion - 9mm
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    HK MP5K, AP5-P Trunnion - 9mm

    MKE

    $79.95
    HK MP5K Trunnion  Made to exact factory HK specifications for the HK MP5K type builds. Machined to HK spec making the install painless and hassle free. Compatible With: MP5K In spec clones
    HKP-22522
    $79.95
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  • On Sale
    HK MP5, 90 Series, AP5 Trigger - BLEMISHED HK MP5, 90 Series, AP5 Trigger - BLEMISHED
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    HK MP5, 90 Series, AP5 Trigger - BLEMISHED

    MKE

    Now: $22.95
    Was: $34.95
    MKE AP5, HK MP5, 90 Series Trigger - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Steel trigger...
    HKP-22519-B
    Now: $22.95
    Was: $34.95
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    Now: $22.95
    Was: $34.95
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  • Out Of Stock
    On Sale
    New - Magpul HK MP5, HK94, HK93 MOE SL-K Stock - Black - HKP-20490 HK MP5, HK93 Stock - MOE SL - BLEMISHED

    HK MP5, HK93 Stock - MOE SL - BLEMISHED

    Magpul

    Now: $128.95
    Was: $189.95
    HK MP5, HK93 Stock - MOE SL - BLEMISHED   INSTALLATION MARKINGS   COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Magpul MOE SL-K MP5, HK94, HK93...
    HKP-20490-B
    Now: $128.95
    Was: $189.95
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    Now: $128.95
    Was: $189.95
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  • HK G36, UMP Handuard Handstop HK G36, UMP Handuard Handstop
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    HK G36, UMP Handuard Handstop

    OMEGA

    $29.95
    HK UMP and G36 Handstop HK G36 hand stop kit. Complete with locking block and screw. Fits any G36 handguard without the need of rail segment. Compatible With: All G36 Models HK SL8 HK UMP HK USC
    HKP-22512
    $29.95
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    $29.95
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  • On Sale
    HK SL8, G36, Sight Rail - Incomplete - BLEMISHED HK SL8, G36, Sight Rail - Incomplete - BLEMISHED
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    HK SL8, G36, Sight Rail - Incomplete - BLEMISHED

    H&K Heckler & Koch

    Now: $389.95
    Was: $598.95
    Heckler and Koch HK SL8, G36, Sight Rail - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALY DOES NOT INCLUDE FRONT AND REAR SIGHTS MISSING SCREWS - NO HARDWARE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...
    HKP-17718-IN-B
    Now: $389.95
    Was: $598.95
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    Now: $389.95
    Was: $598.95
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  • Out Of Stock
    On Sale
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HKP HK Parts

    Now: $65.95
    Was: $149.95
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of both...
    HKP-19338-USED
    Now: $65.95
    Was: $149.95
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    Now: $65.95
    Was: $149.95
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  • Out Of Stock
    HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE

    HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE

    H&K Heckler & Koch

    $389.95
    Heckler and Koch HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE ONLY 1 UNIT AVAILABLE Factory-original HK steel magazine for the HK93, HK53, and HK33 rifles. The rare 25-round configuration, combined with the LEO marking, makes this...
    HKP-99382
    $389.95
    Out Of Stock
    Qty in Cart: 0
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    $389.95
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    Out Of Stock
  • On Sale
    HK MP5 Sling Swivel Circlip HK MP5 Sling Swivel Circlip
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    HK MP5 Sling Swivel Circlip

    H&K Heckler & Koch

    Now: $4.95
    Was: $7.95
    Heckler and Koch Sling Swivel Circlip for HK MP5 Genuine Heckler and Koch sling swivel circlip designed for HK MP5 pattern firearms. This circlip secures the sling swivel assembly to the firearm and provides a correct factory-style attachment point for...
    HKP-99368
    Now: $4.95
    Was: $7.95
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    Was: $7.95
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  • Out Of Stock
    HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH

    HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH

    HKP HK Parts

    $27.95
    HKP HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH Steel flash hider designed for HK23, HK21, and HK11 pattern firearms and is threaded 15x1 right hand. Helps reduce visible muzzle flash while maintaining an original-style HK profile. Compatible...
    HKP-22484
    $27.95
    Out Of Stock
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    $27.95
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  • HK416, MR556 Pistol Grip - Walnut HK416, MR556 Pistol Grip - Walnut
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    HK416, MR556 Pistol Grip - Walnut

    JMK

    $78.95
    JMK HK416, MR556 pistol grip - Walnut The pistol grip by JMK is made from CNC-machined black walnut. After machining, the grip is dyed to ensure a uniform color and is finished with a catalyzed satin seal. These grips are compatible with any firearm that...
    HKP-22400-M
    $78.95
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    $78.95
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