I would have to agree with cossey if your just using it for target shooting then either .308 or even .223 would be great and cheap to shoot .308 is a dollar a round and up .223 50 cents and up or roll your own.
I would have to agree with cossey if your just using it for target shooting then either .308 or even .223 would be great and cheap to shoot .308 is a dollar a round and up .223 50 cents and up or roll your own.