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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the factory for barrel replacement AFTER 1905 would have one installed with the 'WP' on it, irregardless if the gun was originally made BEFORE 1903/05.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
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∙ 15y ago
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What means Winchester proof mark W over P?
Means it was proof tested by Winchester.
A p with a line over it?
A p with a line over it is a medical abbreviation. The p with a line over it means after in medical terms.
When was Colonel William P. Winchester born?
Colonel William P. Winchester was born in 1801.
When did Colonel William P. Winchester die?
Colonel William P. Winchester died in 1850.
What does the W over a P in the trade mark mean on a 20 gauge Model 12?
That is a Winchester proof mark.
What is the meaning of the p with the line over it?
A "p" with a horizontal line over it means "after"
What does the medical abbreviation p with a line over it mean?
P with a line over it means after in medical terms."post"
What has the author Lawrence P Winnemore written?
Lawrence P. Winnemore has written: 'The Winchester and Western Railroad' -- subject(s): Winchester and Western Railroad
What does p mean in a prescription?
"p" means after, for example NPO p midnight which means, nothing by mouth (NPO) after (p) midnight. The p usually has a slash over it. On an Rx it might say, "Take p eating (meals)."
What does the medical abbreviation p mean?
P with a bar over it means "after."p generally refers to 'post' or after, and can be seen with a line over it in written notes (as can the letter 'a' referring to 'ante' or before).
What does a x over a p mean?
x/p means that whatever value x represents is to be divided by whatever value p represents.
What does win mean in 9mm r p win?
Winchester
