Planet Eclipse Shaft FR Back Color:HDE The M5SD bolts directly to

The M5SD bolts directly to the gun body without the need for set screws that can scar or damage your barrel

The spiral cut pattern allows lengthening the channels of material to be removed

This is a used item so it shows signs of wear from use

Pipe Backs available in sizes

Planet Eclipse Shaft FR Back Color:HDE The M5SD bolts directly toThe Eclipse Shaft FR ("FreakTM Ready") Barrel Back is compatible with "FreakTM" inserts* for optimized bore selection. The Shaft FR back assembles in a unique manner so that the ball is guided into the Insert via a tapered opening at the rear. The insert is held in place by the Joiner section which doubles as the interface to the Tip. The Shaft FR back has 3 windows that make it possible to quickly and easily identify which insert is being used as