go with a LA so you can seat the bullets out farther,if you go single shot you can use a SA,but i would go LA for repeater...make sure you get the right bolt head though...which would be 308,243,22-250 and 7mm08 for SA,LA would be 25-06,270 and 30-06....most the new ones will be centerfeed stocks or DBM or hinged fore plate....easiest and most choices would be blind magazine centerfeed that way you can get a B&C duramaxx for little over 100 dollars