The GTAC5/8 Grizzly muzzle brake is designed for calibres up to .338cal. These brakes are an easy, convenient screw on design that do not require any crush washers or special tools. Winchester 1866 - This is a fine example of one of Winchester's first lever action rifles. An 1866 Third model which has been converted to shoot both center and rimfire .44 caliber ammunition. Original Brass receiver with original stock and barrel. Fully functioning action makes this a valuable addition to any Winchester collection. Price: $7,000