Other firearms and similar devices which operate by the firing of an explosive charge (for example, sporting shot- guns and rifles, muzzle-loading firearms, Very pistols and other devices designed to project only signal flares, pistols and revolvers for firing blank ammunition, captive-bolt humane killers, line-throwing guns):

9303.10.00.00Muzzle-loading firearms 9303.20.00Other sporting, hunting or target-shooting shotguns, including combination shotgun-rifles 9303.20.00.20Autoloading 9303.20.00.30Pump action 9303.20.00.40Over and under 9303.20.00.65Other 9303.20.00.80Combination shotgun-rifles 9303.30Other sporting, hunting or target-shooting rifles: 9303.30.40Valued over $25 but not over $50 each 9303.30.40.10Telescopic sights imported with rifles 9303.30.40.20Centerfire 9303.30.40.30Rimfire 9303.30.80Other 9303.30.80.05Telescopic sights imported with rifles 9303.30.80.10Autoloading 9303.30.80.12Single shot 9303.30.80.17Other 9303.30.80.25Other 9303.30.80.30Rimfire 9303.90Other: 9303.90.40.00Pistols and revolvers designed to fire only blank cartridges or blank ammunition 9303.90.80.00Other