Originally Posted by spitdog
Thanks, I think mine was 1954. So it would basically have the same Magna stocks, correct?
Actually no. Sometime in the first quarter of 1953, the old sharp shoulder type of postwar Magna stocks ran out of supply and were replaced with those having a more tapered shoulder. At first, they still had the square corners on the butt and were the same as those shipping on the target models (K-38, for example). A bit later, the M&P began shipping with the so-called PC Magna stocks with the rounded butts.
Here is a picture of the type used in 1954. The gun they are on in this picture is an S prefix M&P from September, 1947, so they are incorrect on this gun (they have since been replaced with period correct stocks).