I believe the rifle in the pic is a 1903, not a 1903A3. The A3 had a peep sight, the 1903 had the open sights.
C3, IIRC, the Pedersen device used a standard .32 ACP. some military experimental ammo was made by the arsenals with a different headstamp, but I believe it was .32 ACP.
I might be mistaken, but that's what I remember from reading in American Rifleman many years ago.
And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him. And power was given unto them over the fourth part of the earth, to kill with sword, and with hunger, and with death, and with the beasts of the earth.
Last edited by locutus; 12-01-2012 at 05:19 PM.