Waiting for that barrel to cool can seem like an eternity... until now. Get the Caldwell® Accumax AR-15 Barrel Cooler and cool that hot barrel TWICE as fast. It's rechargeable, so you can easily deploy it at the range. Runs for 3-4 hours per charge.
Fits any Mil-Spec AR-15
High pressure fan with dual motor bearings for long life
Integral wind tunnel directs air through the chamber