Any thoughts on SS barrels? They look good but I have heard they shoot out quicker that the standard Chromoly pencil barrels.
it was only said to illustrate the potentials.7mm UM is a fairly rare chambering for an AR.
The cost of the barrel is pretty minimal compare to the cost of the ammo to shoot it out.
Give me an accurate barrel. I'll worry about getting a new one later on if that day ever comes to be.
Maybe if you had 2 barrel of exactly the same quality steel, run on the same machine, handled by the same technician, reamed to the exact same specifications, and polished to the same shine, you'd have a leg to stand on. You're comparing apples to oranges with your RRA bull bbl and your RRA NM bbl.To say that a heavier barrel will inherently be more accurate than a lighter barrel is fallacious. My first build employed a very heavy, bull 18" RRA barrel. It's plenty accurate. However, the lighter RRA NM barrel shoots AT LEAST as accurately as the aforesaid heavier barrel.
A heavier barrel will heat up slower and cool down slower than will a lighter barrel. While I'm blathering on so eloquently, let me further opine that fluting a barrel does not make a barrel stiffer or stronger.