Valken Optics Mini Hooded Reflex Red Dot QD Sight Pistons and Piston Heads 360° Rotational brass threads

360° Rotational brass threads

The ultimate upgrade for your Airsoft Gun Prowin CNC Aluminum Hop Up Chamber for G36 and compatible AEGs

4v LiPo batteries (nun-chuck or stick style)

and most are pretty easy to install

Valken Optics Mini Hooded Reflex Red Dot QD Sight Pistons and Piston Heads 360° Rotational brass threadsThe 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