Below is the link to the proposed framework banning M855 type 5.56/223 ammunition.
http://www.atf.gov/sites/default/fi..._primarily_intended_for_sporting_purposes.pdf
Below is the Information for submitting comments. Comments will be accepted through March 16, 2015. Please Comment.
ATF website: APAComments@atf.gov. Follow the instructions for submitting comments. Fax: (202) 648-9741. Mail: Denise Brown, Mailstop 6N-602, Office of Regulatory Affairs, Enforcement Programs and Services, Bureau of Alcohol, Tobacco, Firearms, and Explosives, 99 New York Avenue, NE, Washington, DC 20226: ATTN: AP Ammo Comments