J johnwilliamson062 Moderator Nov 13, 2015 #22 Non- saboted Foster-type 12 ga. slugs are .72 caliber! Click to expand... They aren't designed to be and are not very effective out of a rifled barrel. With a smooth barrel it is clearly a shotgun. It gets interesting when a rifled barrel is installed.
Non- saboted Foster-type 12 ga. slugs are .72 caliber! Click to expand... They aren't designed to be and are not very effective out of a rifled barrel. With a smooth barrel it is clearly a shotgun. It gets interesting when a rifled barrel is installed.
