Sightmark 7.62x39 Boresight Cleaning The barometer and air temperature

The barometer and air temperature sensors are early indicators of forthcoming weather conditions

Ease of operation - Self priming and spring assisted outlet valve

*Sold as an Pair

or on the SWM-16

6 oz or 101 g

Sightmark 7.62x39 Boresight Cleaning The barometer and air temperatureThe Sightmark Laser Boresight provides the most convenient and accurate method for sighting in rifles and shotguns of all types. Simply chamber the boresight like a regular bullet and a laser dot will show exactly where the rifle is aiming. It's easy to sight in any scope without firing a single shot. Live fire is only needed to fine tune the weapon being sighted in order to compensate for inconsistencies, such as bullet drop due to distance. Great