1911 was patented on Feb 14, 1911
The 1911 was formally adopted by the Army on March 29, 1911, when it was designated Model of 1911, later changed to Model 1911, in 1917, and then M1911, in the mid-1920s.

The story goes, at the end of 1910, John Browning shot Six thousand rounds from a single pistol over the course of two days. When the gun began to grow hot, it was simply immersed in water to cool it. The Colt gun passed with no reported malfunctions

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