not use a muzzleloading rifle ….
not use a muzzleloading rifle that requires insertion of a cap or primer into the open breech of the barrel (inline), is capable of being loaded from the breech, or is mounted with an optical magnification device.
Use of pre-prepared paper or metallic cartridges, sabots, gas checks or other similar power and range-enhancing manufactured loads that enclose the projectile from the rifling or bore