SimplyCool Barrel Cooler

For SimplyCool individual pieces and attachments click here!

Most shooters don’t realize that firing groups without letting the barrel cool is hurting their accuracy. Every shot generates heat, and as that heat builds, bullets no longer impact the same point. On many sporting rifles, accuracy can begin to degrade in as few as four to five shots.

The usual solution is to set the rifle aside and wait 10–15 minutes for it to cool. This breaks focus, forces the shooter to rebuild their position, and wastes valuable range time. Heavy barrels slow heat buildup, but once hot, they take even longer to cool—meaning more waiting and less shooting.

SimplyCool cuts barrel cooldown times between groups to just a minute or two. It rapidly pulls heat from the barrel, keeping accuracy consistent shot after shot. The result is tighter groups, less wasted ammunition, and a rifle that performs at its best—every time you pull the trigger.

Product description:

The cooler’s design maximizes air flow and pressure. A simple design at simply an affordable price. The fan runs from a 5V USB connector. A rechargeable USB battery pack runs a cooler all day. It can even be powered directly from your phone!  No need to worry about expensive, hard to find batteries. Multiple coolers can be run off a single battery pack.

The SimplyCool barrel cooler is a must have in every gear bag.

Choose between single duct sets, full set of 3, or individual components

Product Features:

•  Three sizes of removable ducts: 5.56, Standard/Magnum and Lapua bolt faces.
• A high static flow fan provides the required air to push through longer barrels and suppressors
• Whisper quite operation
• Made with additive manufacturing
• Orange option may be used as a chamber flag
• Fan body size is 3 inches x 3 inches x 1 inch

5.56 Duct Compatibility*

• Small bolt face diameter 0.384” +/-
• 5.56 NATO, .233 Rem.
• .222 Remington, .204 Ruger
• 22 Nosler

Standard/Mag Duct Compatibility*

• Standard bolt face diameter 0.470” +/-
• 308 Win., 243 Win., 22-250 Win.
• 6mm and 6.5mm Creedmoor
• 270, 30-06, .284 Win.

• Magnum bolt face diameter 0.540” +/-
• 6.5 PRC, 300 PRC
• 28 Nosler
• 300 Win. Mag., 7mm Rem. Mag., WSM and SAUM families
• 300 RUM, 338 RUM

Lapua Duct Compatibility*

• Lapua bolt face diameter 0.585” +/-
• 338 Lapua Mag.
• 300 and 338 Norma Mag.
• 338/378 Weatherby
• 416 Rigby

*List is provided as an example

Best practices:

Run cooler for 1 to 2 minutes between 3 round groups. Run 3 minutes or more for 5 shot groups.