Sometime back I bought a 4 groove, '03A3 barrel from Numerich. There wasn't much information available about it, but it was dirt cheap, so I bought it. The outside is nothing to write home about, but the bore and rifling is excellent.


The only identifying mark I can find is a "3" near the breach..nothing near the front sights cuts, or anywhere else that I can see.

The exterior is rough and has a bit of light rust. It almost looks like it was once parkerized and had the parkerization removed.

Anyone have any ideas on the origins of this barrel?
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