Need info on old 45 Colt Please

If your Colt is early production it should be US marked as all initial production went to the government, 7 1/2" barrel, case hardened frame and had inspectors initials or mark on major parts including grips. You would be ahead to have a Colt historical letter with it.
 
"If your Colt is early production it should be US marked as all initial production went to the government..."

That depends on what you mean by early. The first guns (some say 1000, some 2000) went to the Army. By the end of 1876, Colt had made about 33,000 SAA revolvers, but only 17,060 had been delivered to the Army, or just about half. The rest were sold on the commercial market. Several sources note that there are no U.S. marked SAA's between 20000 and 30000; the gun shown here is 29476.

Reklobe, the number on the loading gate and on the frame below it (under the trigger guard) is an assembly number; that number has no relation to the serial number except by coincidence.

Jim
 
Thanks James. I am assuming the serial number, then, is on the trigger guard and bottom side of the frame, both matching, like in my pics? I was wondering about the other numbers...that is good info too.

Need to find some black powder loads and take her out
 
Cylinder....

I'm kinda leaning in James K's direction.... If it were mine, I would look into have a new cylinder professionally fitted to it; saving the old one aside for collector's value. I'd want to make a regular shooter out of it but the original cylinder doesn't look safe to me.
 
Bad cylinder?

Maybe it's just a trick of the light, but the close-up in your second photo the cylinder looks a little bulged around one of the locking notches. Or, perhaps it was excessively re-polished around those notches so that the reflection mimics the look of a bulge. Regardless, that cylinder is likely unsafe to use with modern smokeless powder. The metalurgy of the steel used in that cylinder is not nearly as strong as modern steel. When it was new it was good enough for black-powder. Just spend the money and have a new cylinder properly fitted to it and shoot with confidence. The barrel probably has a .454" groove diameter,so the cylinder throats and bullets need to be sized appropriately. I'll bet it has left-hand rifling, yes?
 
Yes, the numbers on the frame, trigger guard and backstrap are the serial number and matching, so the gun appears to have the original major parts. At first the serial number was put on the back the cylinder as well, but later that was dropped. The loading gate was hand fitted before case hardening (it couldn't be filed afterwards) and the gate and frame numbered to be sure they got back together after finishing. Assembly numbers were used because the serial number was not assigned and put on until later in the manufacturing process.

My concerns with the cylinder are that 1) the stop notches are so rounded off that I am not sure they would reliably stop the cylinder and that could lead to firing out of alignment and 2) so much metal has been polished away that the cylinder walls may have been weakened. I can't be sure going only by pictures, but I would have the gun examined by a competent gunsmith before firing it, even with low power or black powder loads.

Jim
 
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