The G&P MWS CNC barrel extension for the TM MWS M4A1 GBBR is designed to allow your outer barrel to be extended slightly for other barrels or just giving the gun that slight addition to length.
The G&P MWS CNC barrel extension for the TM MWS M4A1 GBBR is designed to allow your outer barrel to be extended slightly for other barrels or just giving the gun that slight addition to length.