StrongTools Red or Green BoreSighter 177 to 12GA Caliber Rifle Scope Handgun Hunting Red/Green Dot Boresight Kit Press Switch Bore Sight 800mAh Battery
Reasons to buy
- Features press switch design that makes it easy to turn ON/OFF the light
- Comes with a simple design that makes it easy to use
- Made of high-quality module with qualified electronic components that supports longer and consistent lifetime
Drawback
- Maybe too weak to sight in at 30yds