I just bought a new Savage Hog Hunter in .308 and I'm using a standard RCBS full length die to size once fired Lake City 7.62x51 brass. From the effort during sizing I'm assuming this was machine gun brass and I'm worried about brass spring back.

Question have any of you had to size once fired Lake City 7.62 with a small base die, or did you get by with a standard full length die without any hangups.

A sized case chambers without any problems or rub marks colored with a black felt tip marker, but I'm not sure the cases are small enough in diameter with adequate spring back after firing.

The largest base diameter after sizing is .468 but new white box Winchester .308/7.62 cases are approximately .464 and surplus 7.62 is .462 and max diameter is .470.