Match10 said:Uh.... Effectively firing a projectile over 1/2Â° in diameter using a propellant cartridge and a threaded barrel? How fast can you get into trouble from the BATF?
The bore is still .223".(2) any type of weapon by whatever name known which will, or which may be readily converted to, expel a projectile by the action of an explosive or other propellant, the barrel or barrels of which have a bore of more than one-half inch in diameter, except a shotgun or shotgun shell which the Secretary finds is generally recognized as particularly suitable for sporting purposes; and