The Aluminum Dei Casting with Anodize finish and laser engrave with Knight’s logo and serial number for each
The ejection part cover can work
Including: New Bolt Catch Release for Right-Handed Shooters (Adornment), New Safety/Selector for Left-Handed Shooters (Adornment), Special Design for wire installation into all kind of Battery Stock, New Magazine Release for Left-Handed Shooters, Quickly Detachable Upper & Lower Receiver, Receiver Sling Swivel Mount on each side, Steel Ejection Port Cover Set, Receiver’s Action Package, Push-Button Sling Swivel, New style Trigger Guard, Lower Receiver Pin Set, Complete Pin Package, Forward Assist Knob, metal Hop-Up Chamber, Steel Bolt Catch