I have come into an old Colt Single Action Arm 45 Colt that was made in 1957. The gun is in excellent condition and shootable. I have never loaded for 45 Colt and want to stay well within the pressure limits of the gun. I have 200 grain lead rnfp and swc. I have been looking at Unique, Red Dot and Green Dot powders. Any of you guys have any info on the best choice of powder. The gun will only be shot at the range to poke holes in paper.

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