 Subtle but noticeable differences in hammers, loading levers, and cylinders help identify each model.The 1861 Remington actually transitioned into New Model appearance by late 1862, slowly transforming throughout 1862, due to continual improvement suggestions from the U. S. Ordnance Department.Remington percussion revolvers are very accurate and capable of considerable power with muzzle velocities in the range of 550 to 1286+ feet-per-second, depending upon the charge loaded by the shooter.