The difference between M1A and M14 is that the M14 can go full auto, although only the Hulk can control it after the first shot.
First of all I would suggest a Savage 308 rifle. It is simply the best value for the money. Very accurate and if you get one with the Accutrigger they are superb.
If you want a detachable 10 round magazine you should look at the Savage 10 FCP-SR
"Socialized Medicine is the Keystone to the Arch of the Socialist State.” -Vladimir Lenin
"I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." - Thomas Jefferson (An early warning to Obama care)