G&P Aluminum GBB SAI 13.75 Inch Outer Barrel for WA M4A1 Series (14mm CW) SlickStick Magazine Extension Tube Adaptor for

Magazine Extension Tube Adaptor for CAM 870 Shotgun

Package comes with 300 rounds magazine

The featured double-pane glass lens system eliminates parallax and retains accuracy when Fired from the periphery of the lens

- ONE PIECE Outer Barrel over very solid weapon frame

G&P Aluminum GBB SAI 13.75 Inch Outer Barrel for WA M4A1 Series (14mm CW) SlickStick Magazine Extension Tube Adaptor forG&P SAI Taper outer barrels attach to the standard G&P M16 M4 series bodies via the usual barrel nut and Delta ring (or compatible alternatives). At its most basic, a replacement barrel can be used to vary the length of both the inner barrel and overall weapon size of your platform. Part of the charm of G&P compatible ARs is that the barrel lengths can be found from 2 to 20 inches in increments of 2 inches along almost that whole scale. If you have an