Kinda hard to judge with out a least a couple of pics of both sides to see what the stock and finish condition is. Also do you have any idea as to the wear measurments of the muzzle and the chamber end?
Check out the CMP site also
http://www.thecmp.org/Sales/m1garand.htm
M1 Garand, SA (Springfield) Service Grade
Please allow 30-60 days for delivery
*See above for grade description
$625 Effective 1-3-2012
S&H $24.95 per rifle