The B-37 target is the Official NRA target used in Pistol shooting competitions. The B-37 target is designed to be shot at a distance of 25 meters.The B-37 target has 1 bullseye, with the bullseye 19 3/4" in diameter & black in color, with 5 through 10 scoring rings, inner 10 ring is 50mm. The B-37 is used for Rapid Fire Pistol and the Rapid Fire stage of the the Center Fire, and Sport Pistol shooting competitions. The B-37 target is printed on heavy paper approved by the NRA. All targets sold by CHLTargets.com are Made In The USA.