In fact in Colt Peacemakers and revolvers of similar strength black powder will give the most velocity safely achievable. Patton, left, in WWII, along with his Colt SAA, now in a U.S. Army Museum. Within the first 30 seconds of the shootout, three members of the Clanton gang were killed. Until that time all Peacemakers cylinder pins were secured by a small screw angled in from the front of the frame. It may "look" the same in a picture. no. Oregon Department of Fish & Wildlife, State Agency: The new long-barreled six-shooter, with its .45 Colt chambering, was adopted in 1873 by the Army with an initial order of 8,000 revolvers. Employees and agents of Publishers Development Corp. are not eligible. Road, Basavanagudi, Bengaluru - 560004, Dist. 226 4th Main Road Chamarajpet Bengaluru (bangalore) Urban, Bengaluru - 560018, Dist. //