vaglocker
02-02-09, 17:08
With a DI AR SBR, I've heard that an 11.5 or 12.5 inch barrel would be somewhat more reliable than say a 10.5 inch barrel. Is this true? If so, then how does this play out when talking about piston systems? Would a 10.5 piston be just as reliable as a 12.5 DI rifle?