Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) vanquest trident 31 the control box converts to

the control box converts to a belt mount

Measures 7L x 3W x 10H

1- Sutures

The military gear bag measure

Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) vanquest trident 31 the control box converts toOur 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