Bore Sighter 30-30/.25-06/.270 Cartridge Red Laser Boresighter From USA
Benefits:    Perfect for hunters, competitive/recreational shooters and law enforcement.    Easy to use.    Improves accuracy.    Reduces ammo waste.    Compact, lightweight and durable.    Several sizes available.Specifications:    Wave Length: 650nm    Battery: (3) LR41 (Included)    Battery Life: 1 hour maximum    Range for Sighting: 15-100 yards    Best Range for Sighting: 20-30 yards    Dot Size: 2" @ 100 yards    Operation: On/Off End Cap    Construction: Brass    Power: Less than 5mW