The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without modifying their dominant firing hand.
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Radian Weapons R0435 Builder Kit Radian Black, AX556 Ambi Lower, 8.50″ Handgaurd, Includes Most Lower Parts
$1,219.95
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