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Radagast · November 3, 2009, 08:52 PM

namvet_1969: You have a S&W Military & Police Model of 1905 4th change. Serial number range for this variant was 241704 to 758296 between 1915 & 1942.
I'm pretty sure your gun dates to the period 1915-1917, as it was manufactured prior to heat treating of cylinders, starting at serial number 316648 somewhere between 1917 & 1920. Because of this it would be prudent to only shoot it with standard pressure lead ammunition. The sights should be regulated for 158 grain lead round nose ammo anyway. It lacks the hammer block safety introduced in 1944 and potentially if dropped on the hammer it can fire. Leaving the hammer down on an empty chamber would be prudent.

The Military & Police through various engineering changes evolved to be the modern day Model 10.

Based on the serial number it could be your grandfathers gun.

November 3, 2009, 08:52 PM	#2061
Radagast Senior Member Join Date: July 13, 2001 Posts: 449	namvet_1969: You have a S&W Military & Police Model of 1905 4th change. Serial number range for this variant was 241704 to 758296 between 1915 & 1942. I'm pretty sure your gun dates to the period 1915-1917, as it was manufactured prior to heat treating of cylinders, starting at serial number 316648 somewhere between 1917 & 1920. Because of this it would be prudent to only shoot it with standard pressure lead ammunition. The sights should be regulated for 158 grain lead round nose ammo anyway. It lacks the hammer block safety introduced in 1944 and potentially if dropped on the hammer it can fire. Leaving the hammer down on an empty chamber would be prudent. The Military & Police through various engineering changes evolved to be the modern day Model 10. Based on the serial number it could be your grandfathers gun.