Caldwell Accumax AR-15 Barrel Cooler

The Barrel Cooler for your AR15, with rechargeable battery.

• Cools the barrel in half the time
• Compatible with Mil-Specs models
• The double fan produces high pressure air
• A tunnel directs the air into the barrel
• Powered by a 12V rechargeable battery
• 3-4 hours of battery life per charge