A.C.M. Frog Arms Frog-6.8 M4 Metal Body w/ Ultimate Hop Up Unit

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    Model No. : FROG-BK

    (~USD 108.28)


    -Item Weight (gram): 420

    -Built Material: Aluminum

    -Major Color: Black

    -Package Includes: Metal Receiver
                                       Forward Assist
                                       Adjustment Screw
                                       Ultimate HopUp Chamber Unit

    Production Description    


    3D computer design from scratch (not just copy others)

    Deep "CNC" trademark engraving (Not cheap laser engraving)

    T6 Aluminum material

    Compatible with all MadBull accessories, including Handguard rails, Outer barrels, Hopup systems, Inner barrels...

    Metal Chamber Set have three functions in one

    1.The LED Tracer Unit(Optional, Sold separately)

    2.Chamber Lock(Is design by Brian Holt)

    3.Easy Adjustment Wheel device

    Metal Hop Up Chamber Unit Set with 60° Bucking

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