We just added some Infographics for the M13 Assault Rifle to our Weapons Infographics page as well as we have a detailed page dedicated to the weapon. (see links below)
The Infographics have some base weapon information, Stats, Camo unlock Requirements, Attachment Unlock Levels, and some suggested loadouts. We also put together a second infographic with more details on the recommended loadouts, advanced statistics and M13 specialized attachment information.
The information includes the recent changes to the M13 which slightly buffed the damage and range of the weapon with the 1.13 patch.
Infographics
Page 1 - Base Stats & Attachments
Page 2 - Loadouts, Advanced Stats & Specialized SCAR Attachment info