Features:

Change positions by simple action: push/pull/rotate.

Slide clamp on to the Picatinny rail - push button quick release lock.

Locks in five positions: 0˚ 45˚ 90˚ 135˚ 180˚. Optional to screw-lock the position.

Enables light to enter the room, while the operator maximizes the use of cover, regardless of which side room entry is desired.

Operator can easily access on/off button with thumb, while using a vertical grip.

Available in screw tightening 

Includes extra pushbutton for pistol's under barrel style rails.