Calibers: 5.56 NATO, .300 Blackout, 7.62x39, .450 Bushmaster. This manufacturer produces a range of AR-15-type rifles and carbines. Barrels: 16, 18, 24 in. Models are available for consumer, law enforcement and military markets. Builds include CNC-machined 7075 T6 aluminum forgings for uppers and lowers, which are machined to military specifications and marked "Multi-Cal" to be used with multiple calibers on the AR-15 platform. The company offers its proprietary RF85 metal treatment on some rifles, which the company bills as needing "zero lubrication." SEE POLITICAL PANIC PRICING.