Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) mtar sds It has a D shape

It has a D shape particularly suited for connection to diverse equipment such as descenders or positioning lanyards

and 12 ga shotgun maintenance needs covered

Height: 10

Safe & Secure:

Fits for Glock 17 Gen 3 frame

Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) mtar sds It has a D shapeOur 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