Matter of Oppedisano, 26 I. & N. Dec. 202 (BIA 2013) (federal conviction of unlawful possession of ammunition by a convicted felon, in violation of 18 U.S.C. 922(g), is an aggravated felony for immigration purposes; the relating to language used in the Act is does not limit the scope of the statute).
http://www.justice.gov/eoir/vll/intdec/vol26/3793.pdf