The Bolt Action .223-.308 AA Chamber Chiller is designed to fit short, long and magnum bolt action rifles as well as other semi-automatic rifles and bolt action rifles with a minimum ejection port opening of 71mm length by 12.3mm height (2.80 inches length by 0.49 inches height).

It is ideal for rifle cartridges with a rim diameter of 9.6-12.10mm.

The Bolt Action .223-.308 USB Chamber Chiller Black uses a 60mm turbo fan and an external USB power source provided by the customer. This unit can operate off of any powered USB port including some mobile phones. Adaptors are not included.

Please Note:

*** The Chamber Chiller nozzle should only touch the outside edge of your chamber. The nozzle should not be inserted all of the way into the chamber.

*** Does not include rechargeable USB battery pack.

Fits:

Cartridges with rim diameters between 223 Remington - 308 Winchester (9.60-12.10mm)