Firefield 12ga In-Chamber Red Laser Brass Boresight

Boresight your firearm quickly and easily using the FireField 12ga In-Chamber Red Laser Boresight. This brass boresight loads directly into the chamber of your firearm and produces a 2-MOA red laser dot at the theoretical point of impact. It can be powered by two AG13 batteries for one hour of continuous operation and has an On/Off switch on the end cap.