50 Meter UIT Slow Fire Repair Center Pistol Target Official NRA Target B-17(C) The B-17C Repair Center Slow Fire Center Target measures 10.5x10.5 inches and is designed for 50 meter shooting. This is the official NRA target produced under license #5 from the NRA on official weight tag board- not inexpensive cheap paper. The target is available in either 12, 25, 50 or 100 pack sizes each under its own listing. You also use this in coordination with B-17 or as a standalone.