Here ya go on what can be used. Gun Season and Youth Gun Season Shotgun: 10 gauge or smaller shotgun using one ball or one rifled slug per barrel (rifled shotgun barrels are permitted when using shotgun slug ammunition). Muzzleloading rifle: .38 caliber or larger. Muzzleloading shotgun: 10 gauge or smaller using one ball per barrel. Handgun: With 5-inch minimum length barrel, using straight-walled cartridges .357 caliber or larger. Straight-walled cartridge rifles in the following calibers: .357 Magnum, .357 Maximum, .38 Special, .375 Super Magnum, .375 Winchester, .38-55, .41 Long Colt, .41 Magnum, .44 Special, .44 Magnum, .444 Marlin, .45 ACP, .45 Colt, .45 Long Colt, .45 Winchester Magnum, .45 Smith & Wesson, .450 Marlin, .454 Casull, .460 Smith & Wesson, .45-70, .45-90, .45-110, .475 Linebaugh, .50-70, .50-90, .50-100, .50-110, and .500 Smith & Wesson.Shotguns and straight-walled cartridge rifles can be loaded with no more than three shells in the chamber and magazine combined.