Hello everyone, first post on milsurps. Looking forward to many more!

I recently was given a 1903 complete action and a barrel to go with it by a good friend. Based on the research and comparison of pictures I am thinking I have a 1903-A3 barrel. I've scoured the net looking for barrel dimensions on both barrels but have not had much luck, weird.

I also am a little confused by what I see on the barrel.

#1 Very light roll marks RA 2-44
#2 No visible flaming bomb arsenal marking
#3 No front sight key cut out
#4 No finish on barrel except the muzzle end

Any help identifying the barrel would be greatly appreciated.

Thank you
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