Not sure how far this will go but it's worth a try I guess.
Rep. Collins Introduces Bill To Eliminate Unconstitutional Sporting Purpose Distinction In Gun Laws | dawsontimes.com
Text of the bill: Proposed Federal Gun Legislation HB2277 - American Gun Owners Alliance
Today, Representative Doug Collins (R-GA) introduced legislation to eliminate the "sporting purpose" distinction contained in the Internal Revenue Code and the Federal Criminal Code. H.R. 2277 restores Second Amendment protections to all firearms.
Rep. Collins Introduces Bill To Eliminate Unconstitutional Sporting Purpose Distinction In Gun Laws | dawsontimes.com
Text of the bill: Proposed Federal Gun Legislation HB2277 - American Gun Owners Alliance