MAYMOC Green Laser Dot Sight, Hunting Rifle Green Laser Dot Aiming Scope with Barrel Mount & Pressure Switch Ajustable Bracket 11MM 20MM with 2 Sets of Batteries

Lightweight and compact Power: under 5mW, Non handheld Class 3R lasers. Laser Class:Class IIIA Output Power:< 5mw Wave Length:532nm dimensions: 3.9 x 1.1 x 1.6 inches, weight: 3 oz Material:Aircraft Grade Aluminum .before use to positioning test aiming. It is value to have it. A variety of fixture, can be suitable for a variety of tube type.