STONESKY High Accuracy CAL 9mm Red Laser Bore Sight Cartridge Bullet Shap Boresighter With 6 Batteries

High Accuracy CAL 9mm Red Laser Bore Sight Cartridge Bullet Shap Boresighter With 6 Batteries Features: [Parameters] Class IIIA, less than 5mW 632-650nm red laser. [Application] The 9mm laser bore sight is suitable for 9mm chamber, caliber specific. [3 Sets Batteries] 3 sets (6 total) upgraded batteries. Each set lasts up to an hour. Please remove the batteries after use. Please tear the clear plastic first before you put the fresh battery. [High Accuracy]The fastest red dot laser zeroing and sighting system and save you time and cartridges. [Design] Sturdy and durable brass construction, light and compact, and easy to sit perfectly in the bore. Notice Please tear the clear plastic first before you put the fresh battery. Please remove the batteries after use.   Specifications: Output Power: <5 mW Laser Class: IIIA Laser Wavelength: 632 to 650 nm Battery Type: AG3/LR41 Range for Sighting: 15 to 100 yds Dot Size: 2 in @100yd Operation: on/off end cap Operating Temp: F/C 14 to 122 / -