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What do the initials MNS stand for stamped on barrel and receiver of Winchester Model 12 circa 1922?


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2013-04-27 02:44:26
2013-04-27 02:44:26

midvale nickel steel


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It will be stamped into the barrel just in front of the receiver, but I'm sure it's 30-30 Winchester

Check the receiver and barrel area.

Barrel and receiver are the most common place.

on the bottom of the barrel and reciever.

Check the receiver and barrel area.

You have to provide. It will be on the receiver or barrel.

Mine was made in 1909. On the left side of the barrel, between the sight and the strap, it is stamped "Manufactured by the Winchester Repeating Arms Co." Then below that it says "New Haven Conn. U.S.A. Patented August 21. 1894." Back between the sight and the receiver, on the left side it is stamped "32-40" That is the caliber. Nothing else is on the barrel. Hope this helps you.

On my 1950s vintage Ithaca Model 37 16 gauge it is on the right side of the end of the receiver where the magazine tube and barrel go into the receiver, and also on the barrel adjacent to the number on the receiver. The numbers should be the same on both the barrel and receiver unless the barrel is not the original barrel, at least on mine they are.

It means 'Winchester Proofed'! Around 1903 or there abouts, all barrels installed by the Winchester factory started were stamped with a 'WP"within an oval on top of the barrel at the breech end just before the receiver, it was added the the top of the receiver where the barrel screws into it around 1905 when all Winchester's were stamped in both places. If a gun smith outside of the factory ordered a new or different caliber barrel from the factory to replace the 'original' one, it would be shipped with only a 'P' stamped onto the barrel instead of the 'WP'. This is a sure sign that the barrel on any Winchester was a replacement, and though a "Winchester" barrel it was not installed by the factory. Additionally, any rifle returned to the factory for barrel replacement AFTER 1905 would have one installed with the 'WP' on it, irregardless if the gun was originally made BEFORE 1903/05. For collectors this is an obvious indicator that the barrel is a replacement IF the serial number indicates it was manufactured BEFORE 1903. Hope this clears things up for you....................Regards, Marty

very carefully... :) Seriously, take it to a gunsmith. The barrel is probably pressed into the receiver and pinned.

Yes as long as you get one made for the Winchester model 1300 and chambered for the same length of shotgun shell that the receiver is chambered for.

Check the receiver and bottom of the barrel

Best is take it to a gunsmith as the 94 receiver can be damaged if not done properly. The gunsmith will use a special receiver support which is wedged inside to support the receiver sides. He will then simply clamp the barrel and turn the receiver part.

The barrel should be stamped 30-30 winchester.

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