A bill to amend title 18 of the United States Code to increase the penalties imposed for certain firearms violations and to extend the mandatory imposition of those penalties to first offenses.

Amends the provisions of the Gun Control Act of 1968 which impose additional penalties for using or unlawfully carrying a firearm during the commission of a Federal felony to: (1) replace ranges of authorized sentences with sentences for a specified number of years; and (2) prohibit a probationary or suspended sentence for first, as well as for subsequent, convictions.