Originally Posted by ithaca_deerslayer
What is the HBAR barrel?
As far as I can tell, with barrels in general, Colt seems to have the 16" as 1-7" and the 20" as 1-9". Wonder why that is.
There's a few pictures here that might help show the difference: http://www.m4carbine.net/showthread.php?t=41436
Originally Posted by faawrenchbndr
Heavy barrel.........not needed or recommended in my opinion.
I agree, it is not a necessity, just thought I would throw another option out there to consider. The OP mentioned maybe adding a scope and the HBAR would give a slight increase in accuracy, even though that increase isn't exactly substantial.