#MicroCarbine
SOCOM to Evaluate SIG Sauer's MCX Rattler
Almost a year ago, back in March 2017, US SOCOM posted a request for information (RFI) seeking proposals for conversion kits for M4A1 Carbine receivers. SOCOM sought a kit that would turn M4A1s into Personal Defence Weapons weighing less than 6lb, measuring less than 26 inches and chambered in .300 Blackout.
