Description
Fortis Switch 556 Rail System – Barrel NutExtra barrel nut for the Fortis SWITCH rail system for the 5.56MM. Having an extra barrel nut allows you to remove our Switch rail from one upper to another in a matter of seconds. Many have found this to be extremely useful.Features:4140 heat treated barrel nut (1-7/16 X 16 T.P.I.)1.6 ozMade in the USA!
