The lineup for this year’s Aftershock Festival, at Gibson Ranch, in Sacramento, California, has been revealed. The festival will take place October 24-25 and will feature the following: Saturday: Slipknot, Shinedown, Marilyn Manson, Breaking Benjamin, Bring Me The Horizon, Seether, Black Veil Brides, Clutch, Hollywood Undead, P.O.D., Sevendust, Pop Evil, All That Remains, Helmet, Snot, Beartooth,…