All pictured are Rugers with the exception of the Uberti at 9 o'clock which is included to display a fixed firing pin hammer. These are guns used currently for competition in mounted shooting, or for gunbreaking horses for the sport.
Top pictured is a Stoeger 12 gauge, middle is a Yildiz .410 and bottom is a Stoeger .410.
Top pictured is a .45 caliber Uberti replica of an 1866 Yellowboy, middle is a .44-40 caliber Uberti replica of an 1873 carbine that is branded as the 'Running Comanchero', while the bottom is a .45 caliber Winchester 1894.