Quote Originally Posted by Bruce McAskill View Post
The magazine catch he has is a type 3
Quote Originally Posted by USGI View Post
the OP's mag catch is a bit strange - go back and check his photo's.
That magcatch has the extended support arm/tang for a 30 rd magazine.
Could it be a CAST one that Springfield was working on in the early 50's ?

That should keep you ole timers guessing for a while.