Valken Optics Mini Hooded Reflex Red Dot QD Sight Pistons and Piston Heads This is one of our

This is one of our most popular batteries

and most are pretty easy to install

Uses a standard AA battery type

for players--all the features you're looking for at a price that won't break the bank

Errata Correction: To remove the battery compartment

Valken Optics Mini Hooded Reflex Red Dot QD Sight Pistons and Piston Heads This is one of ourThe Valken Optics Mini Hooded Reflex Red Dot QD Sight. Includes quick detach mount. Mounts on any top rail of your airsoft gun. Eye relief is awesome, easy to use, and crystal clear with its fine optics. Easy to mount and use. Includes flip up down integrated lens covers for when not in use. Polymer and lightweight, can be used on rifles and pistols. Hooded style. Includes pre installed battery (common disc type). 2 inches long x 1. 2 wide x 1. 5 tall