hey guys
sorry if the following has been discussed can not find a link that answers all i want to know.
Have a sig m400 in application stage and want to find out the following
1) does the barrel need to have threads cut on it to fit the silencer, or will existing threads cut for flash hiders work
2) do i need to apply to the cfo to have a silencer fitted as with a hand gun
3) do silencer hold up to sport shooting use
4) aluminum seems to be frowned app-on is this a major factor in 556/223
5) Advise who to got threw to get it done
thanks in advance
regards Mark