Rossi Rio Grande now in .45-70 and .410 Posted May 19, 2011 in Rifles by Steve Johnson with 62 CommentsTags: 410, 45-70, rifle, rifles, Rossi The Rossi Rio Grande lever action rifle is now available chambered in .45-70 and .410 shotshell. The .45-70′s magazine holds six rounds and the .410 holds five. The rifles have a 20″ barrel and weigh 5.8 lbs. The MSRP $536 – $583. Win the new Springfield Armory XD-9 Mod.2 TFB's first ever gun giveaway.