Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) Electronics & Communication Even if they could catalog

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2 large side zipper compartments

Medium (M) 31" - 35"

must-have ring designed for law enforcement officers

30 Cal bore brush

Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) Electronics & Communication Even if they could catalogOur state of the art M4E1 platform starts here, with the M4E1 Upper Receiver. The M4E1 upper receiver is a one piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed the parts needed to mount a free floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but we are able to make additional