Smith Corona O3-A3

[us019255]

...2-groove barrels, if they exist, are rare....y.

20 years ago surplus JA 2 groove barrels were very common and cheap. I believe that Johnson Automatics made them as replacements. It would not be uncommon for them to show up on M1903 (both kinds) from a rebuild at any time. There are two in my safe I rebuilt in the '90's.

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[Rick the Librarian]

20 years ago surplus JA 2 groove barrels were very common and cheap. I believe that Johnson Automatics made them as replacements. It would not be uncommon for them to show up on M1903 (both kinds) from a rebuild at any time. There are two in my safe I rebuilt in the '90's.

JA barrels were used on M1917s, not M1903/03A3s. You might be thinking of HS barrels which were 4-groove.