Sightmark SM39043 Boresight Red Laser 7.62x35mm/300 Blackout Brass - Battery & Case

Chamber the Sightmark SM39043 laser boresight into your rifle just like a regular cartridge and a bright red laser dot instantly shows exactly where your barrel is pointing. Machined from brass and profiled to the exact dimensions of a 7.62x35mm (.300 AAC Blackout) round, this boresight speeds scope and iron-sight zeroing without sending a single round downrange.

The SM39043 projects a visible red laser with a dot size of approximately 2 inches at 100 yards and offers a sighting range of 15 to 100 yards, giving you a quick and reliable reference for both close-quarters optics work and longer-range rifle setups. The brass body is powered by three AG3 batteries (included) and is rated for operation in temperatures from -10 to 50 degrees C, so it is at home in the field as well as on the bench.

Designed for hunters, competitive shooters, and law enforcement users, this boresight is a simple and effective tool for confirming zero after a scope change, mounting new optics, or troubleshooting a wandering point of impact. A carrying case is included to keep the brass body and battery pack protected between range sessions, and the compact 1.00 x 5.00 x 7.50 package slips easily into a range bag.