Quote Originally Posted by jrhead75 View Post
It's an LSA barrel, whenever it was installed (FWIW, the only 39 I see is on the LSA inspector's stamps). LSA didn't date their barrels.
That makes sense. If you look at the proofs on the receiver and compare them to the barrel, its just too perfectly matched to be a replacement...

I was confused by the 39 as well as all I could see indicating 39 was inspector numbers...

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