Description Accuracy has never before been so easily attained than with the Firefield series of in-chamber red laser brass boresights. The Firefield brass boresights deliver precision accuracy without wasting time and ammo at the range. Once placed in the chamber of a firearm, the red laser dot appears exactly where the barrel is pointed, allowing the weapon sight to be adjusted to the theoretical impact point. Durable brass construction means you&';ll be able to reliably use this boresight for years. Easy to pack and travel with, the Firefield brass boresights feature a compact, lightweight design that allows you to carry it wherever you go, from the range to the field. Included in Package Batteries Type: AG5 Quantity: 2 Product Downloads Product Specifications Features precision accuracy reliable and durable brass construction compact and lightweight easy to pack and travel EXPORT CONTROL NOTICE: This product is controlled for export and in-country transfer under the Export Administration Regulations (EAR). Diversion contrary to U.S. law prohibited. Specifications Laser Wavelength, nm 632-650 Output Power, mW