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For AR-15/M16/M4 lower receivers
that directs the force-of-use into the robust charging handle body
Tool-less bolt carrier extension
After a years-long stint in legal and logistical purgatory
and making clean-up quick and easy
Aero Precision M4E1 Enhanced Upper Receiver - Anodized Black SLINGS For AR-15/M16/M4 lower receiversOur 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
US$ 264.50
US$ 394.50
US$ 647.50
US$ 359.50
