Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) mtar sds Height: 10

Height: 10

The high white mode is always the default

Side panels are 6"x6" for Small shirt and 6"x8" for all other shirt sizes

Fits for Glock 17 Gen 3 frame

Tongue depressor 5

Aero Precision AR15 M4E1 Enhanced Upper Receiver(Black) mtar sds Height: 10Our 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