Firefield 223/556 Boresight Red Laser

Enhance your shooting precision with the Firefield 223/556 Boresight. Designed for .223 REM/5.56 NATO calibers, this in-chamber boresighter features a red laser with a wavelength of 632-650nM and operates with <5mW output power. Constructed from polished brass, it mimics real ammunition for improved chambering and protection. Suitable for temperatures from 15-120F, it is powered by two AG5 or three AG3 batteries, offering up to one hour of operation. This boresighter is an essential tool for accurate and efficient sighting.