I'm conversing with a fellow who is selling what he calls a "1903 barrel". These are the pictures:



It looks like an 03A3 barrel, but I'm not sure.

Price is good if it is an 03 barrel, so-so for a 03A3 barrel

Can anyone tell off the bat if this is an 03 or 03A3 barrel, either based on the front sight or the date (9-43)?

Anyone know when RA started turning out 2 groove replacement barrels? Based on the date, and assuming this is an 03A3 barrel is this likely a 2 groove, 4 groove or is it just anyone's guess?

Thanks
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