Whether the sentencing exposure for the underlying felony offense is determined by prosecutorial discretion in a felon-in-possession case

Question Presented 1. In a federal proceeding wherein the defendant is charged with being a felon in possession of a firearm, in violation of 18 U.S.C. § 922(g)(1), in determining whether the underlying “felony” offense is a “crime punishable by imprisonment for a term exceeding one year,” is the sentencing exposure as to that underlying “felony” offense determined or limited by prosecutorial discretion, in light of Carachuri-Rosendo v. Holder, 560 U.S. 563 (2010)? i