HK416 / MR556 Barrels / Gas Blocks

HK416 / MR556 Barrels / Gas Blocks

Upgrade your HK MR556 or HK416 with the ultimate barrel. Choose from genuine HK barrels in various lengths (10.4", 14.5", 16.5"), aftermarket performance options, heavy barrels, and cold hammer forged barrels. 

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    New - HKP 416 10.4" 5.56 Complete Upper Receiver Assembly - HKP-17662 HK416 Upper Receiver Kit - 10.4" - 5.56

    HK416 Upper Receiver Kit - 10.4" - 5.56

    HKP HK Parts

    $2,485.95
    HKP 416 10.4" 5.56 Complete Upper Kit Complete Each kit includes the complete upper assembly, bolt group, tungsten buffer, & high-reliability SS recoil spring. This upper kit is a complete gas piston HK 416 style upper assembly that will drop on your...
    HKP-17662
    $2,485.95
    Out Of Stock
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    $2,485.95
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