I'm getting close to buying my first AR. Probably a Bushmaster M4 A3. Anyway I noticed they offer variations with a 11.5'' barrel with a 5.5'' flash suppressor to make it leagal for sale with out a stamp.
I'm just curious as to what the practical purpose of this would be over just getting a full 16'' barrel.
It just seems to me that you get the worst of both worlds. You get the handling drawbacks of the longer barrel with all the velocity loss of the shorter one. You don't even get the cool looks of a short stubby barrel because you got that ugly extra long flash suppressor hanging out there.
Anyone have any ideas as to what the practical purpose of this setup might be?