The replacement outer barrel is single piece CNC Aluminium machined goodness, to replace the stock barrel of the TM M4A1 Zet System GBBR. Wanting to give that extra feel and look to your M4 then this is a upgrade to go for.
The replacement outer barrel is single piece CNC Aluminium machined goodness, to replace the stock barrel of the TM M4A1 Zet System GBBR. Wanting to give that extra feel and look to your M4 then this is a upgrade to go for.