This Green Dot Laser Sight Scope provides a wide field of view,suitable for rapid-firing or shooting of moving targets besides normal shooting.It is very light weight,waterproof and shockproof.
Length: 3.2″ /82mm
Powered by one 3V lithium battery (CR2032 or equivalent) (not included)
Aiming target:50 to 100 yards (or meter) away.
Adaptor rail size : 20 mm
1 x Hunting Tactical Holographic Reflex Green Dot Sight Scope 20mm