SightMark .380 ACP Pistol Laser Boresight Black. 380 ACP Pistol Boresight chambers in your firearm allowing shooters to sight-in more accurately than with a muzzle attached boresight. Compact and lightweight this in-chamber boresight?s brass construction improves durability as well as chambering and ejection. The laser has a battery life of 1 hour on 2x AG5 batteries and allows firearms to be zeroed from 15-100 yards. The same size as a standard .380 ACP cartridge this boresight is easily stored in a rifle or range bag. Included with the .380 ACP Pistol Boresight are batteries and a carrying case.Features:In-Chamber boresight Precision accuracy Reliable and durable brass construction Carrying case and batteries included 1 hour battery life Specifications for OpticsPlanet Exclusive Sightmark .380 ACP Pistol Laser Boresight: Manufacturer: SightMark Caliber: .380 ACP Included Accessories: Carrying Case 2xAG5 Batteries Fabric/Material: Brass Battery Type: AG5 Finish: Brass Color: Brass Gun Model: Universal Beam Color: Red Additional Features: Precision accuracyReliable and durableFastest gun zeroing and sighting systemreduce wasted cartridges and shellsCompact and lightweightEasy to pack and travel Condition: New Battery Quantity: 2 Projectile Caliber: .38 Caliber Gun Type: Pistol Battery Life: 1 hours Wavelength: 632 - 650 nm Operating Temperature: 15 - 120 Fahrenheit Features of OpticsPlanet Exclusive Sightmark .380 ACP Pistol Laser Boresight: In-chamber Laser Boresight Precision accuracy Reliable and durable brass construction Covered by the Sightmark Limited Lifetime Warranty Package Contents: OpticsPlanet Exclusive Sightmark .380 ACP Pistol Laser Boresight Carrying Case Batteries SightMark SM39046: .380 ACP Pistol Laser Boresight Black