construction, minimum sighting range: 15yards and maximum sighting range: 100yards. A powerful red laser beam aligned with the bore axis for sighting to the point-of-aim without firing a shot bore slighter is well packaged to protect the product and fast shipment is another quality of us. So, order now!! Product Features: ** Laser beam: ** 2 x LR41 batteries and ~20 min battery life ** Self-contained bore sighting system ** Nice fits in the chamber of your rifle or pistol ** Works with scopes, holographic red dot sight and variety sights ** Reliable and durable, compact and lightweight ** On/off end cap operation and it is easy to pack and travel
