Anyone know where to get one, besides Boyds? I guess $22 ain't bad though. Checked E&E and just found a bunch of WTB adds.
Have one in the basement if you can have.
it should be impossible for an m1 carbine to fire out of battery
is it usgi? the usgi receivers have a bridge that prevents firing pin from going forward if bolt is not closed
if the firing pin moving freely? remove bolt and shake it if it is GI (if aftermarket cant help you) you can take bolt apart and check firing pin I had one that was slightly bent at the tip and wouldn't always fire as it hung up