This short action chamber flag has some features we really love.  Prevents mags from being inserted unless the flag is removed and the ability to add a chiller on those hot days!
Detects round left in chamber.
Prohibits AICS magazines from loading when flag is in place, (AW mags when bolt is pulled back).
AICS magazines must be removed for flag to go into chamber (AW mags when bolt is pulled back).
Prevents leaving magazine in rifle when flag is inserted.
One hand insertion and removal.
Fits short actions.
Push to forward position and use with portable air pump for barrel cooling. 
The cooler is rechargeable via USB - approximate 15 min run time, it is recommended to connect a small USB battery pack to recharge while not in use.
For cooling barrel in vertical orientation place one side of elastic over windage knob to hold bolt forward.
Includes attached fob with target reference information.
Scan the QR code in the pictures for
flag information video.