British Lend Lease
& .455 Caliber M1911s
You will also find a variation of the Nitro Proof mark. A arm holding a scepter over a circle with NP in it. This mark is from the London house. The Birmingham house has a crown over the BNP mark.
Colt .455 barrels barrels have a E for English or W for Webley stamp forward of the lugs on the barrel for identification.
Notes on the British .455 British RAF Contract Guns: Serial Number Range W91,100 to W110,700, production period Jan 1918 to April 1919.
The magazines will also be marked Cal .455 or some close variation as well as serial numbered by the British armorers.
It is believed many of these guns where sold to the RAF but they never received the RAF marking until about serial #W99800. These WWI pistols are said to have remained in service with the English for Air/Sea Rescue units in WWII.
455s were a corner stone of the English arsenal. After the war
some were converted to 45 ACP. When this conversion was done officially an
"x" was usually placed on the last 5 in 455.
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