Ever since I caught the AR-15 at-home-building bug a few years ... The Aero Precision 16" long 4150 chrome moly vanadium steel barrel is button rifled at a 1:10 twist rate with a QPQ corrosion ...

In the two decades since the end of the Clinton-era U.S. Assault Weapons Ban (1994 to 2004), we've watched the AR-15 platform's popularity skyrocket here in the United States. What many ...