Chamber Chiller HYBRID Pistol & Rifle Barrel Cooler

Chamber Chiller HYBRID Universal Pistol & Rifle Barrel Cooler

Prototype Chamber Chiller HYBRID Gun Barrel Cooler Samples

By Steven Flood

When metal heats, the molecules excite and cause expansion. When steel becomes overheated, barrel harmonics also change, vibration increases, and shots begin to vertically string. A hot barrel also contributes to increased throat erosion and pressure failures. You want a cool barrel so that wear is minimized, and each shot is consistent. This is why I created the Chamber Chiller HYBRID barrel cooler, designed for universal fit.

The idea behind Chamber Chiller HYBRID is simple: cool the chamber where heat often sinks into the loaded cartridge causing higher pressure, and deliver cool air down even the longest rifle barrel using a high-output fan. Impressive air volume moved at a high static pressure means much less time is needed for cooling-down, which equals quicker recovery to optimal operating temperatures.

After testing homemade and commercially-available barrel cooling devices, I discovered several key areas that could be improved for better performance and functionality. As a result, I developed and produced my own Chamber Chiller barrel cooler to fit pistols and rifles. These functional samples are each 3D printed and then hand assembled with off-the-shelf parts, so it’s appropriate to label them as working prototypes.

Chamber Chiller OMEGA-50 Rifle Barrel Cooling Fan Prototype Mockup - Unpainted Black

Chamber Chiller HYBRID Coming Soon!

Chamber Chiller HYBRID is the end-result of over one-hundred different prototype revisions, all sampled by shooters for testing. HYBRID utilizes four AA batteries to power a high-output 50 mm fan, and includes three universal nozzles designed to fit most common rifle and pistol cartridges. Chamber Chiller HYBRID samples have a satin black surface, enabling a painted finish or you can begin using it as-is.

#### Shown above is a design for the nearly silent OMEGA-50 prototype, which fits rifles chambered in the most popular cartridges (see compatibility list) such as .223 Rem and 6.5 Creedmoor. ALPHA-60 and BETA-60 were designed for larger cartridges. You can see Chamber Chiller in this video comparing my prototype coolers to the competition:

Performance Comparison Results:
Other brand: 6.3 grains max downforce out of a 6mm ID opening.
OMEGA-50: 21.8 grains of downforce out of a 8mm ID opening.
BETA-60: 24.4 grains of downforce out of a 10.4mm ID opening.


I know that overheating is a problem for plenty of shooters. Rather than keep this gadget all to myself, I’d like to supply other shooting enthusiasts with a prototype sample of their own so they can get the most out of their expensive hardware without losing accuracy. A cooled barrel gives shooters and edge over their competition!

Barrel Coolers

Chamber Chiller HYRBID Barrel Cooler


4x AA Battery Box, 50mm Fan, Pistol & Rifle Nozzles Fit:

.22 Nosler, .220 Swift, .22-250 Rem, .223 Rem, .243 Win, .260 Rem, .280 Rem, .284 Win, .30-06 Spg, .308 Win, 5.45×39, 6mm BR, 6mm Creedmoor, 6mm Dasher, 6mm PPC, 6.5 Creedmoor, 6.5-284, 6.5 Grendel, 6.5 SLR, 6.5×47 Lapua, 6.8 RSPC, 6×47 Swiss, 6×47 Lapua, 7.62×39, 7mm-08 Rem (+More!)

.22-250 Rem, .243 Win, 260 Rem, .270 WSM, .280 Rem, .30 Rem AR, .300 RUM, .300 Win Mag, .30-06 Spg, .308 Win, .338 Lupua, 6mm BR, 6mm CM, 6mm Dasher, 6mm XC, 6×47 Lapua, 6.5×47 Lapua, 6.5×55 Swede, 6.5-284 Norma, 6.5 Creedmoor, 6.5 SLR, 6.5 SAUM, 7mm Rem SAUM, 7mm WSM (+More!)

Coming Soon!




4x AA Battery Box, 60mm Fan, 14.4mm ID Nozzle (Details…) Available Now! $65.60 


4x AA Battery Box, 60mm Fan, 10.4mm ID Nozzle Fits: .22-250 Rem, .243 Win, .260 Rem, .270 Win, .280 Rem, .30 Rem AR, .300 RUM, .300 Win Mag, .30-06 Spg, .308 Win, .338 Lupua, 6mm BR, 6mm CM, 6mm Dasher, 6mm XC, 6×47 Lapua, 6.5×47 Lapua, 6.5×55 Swede, 6.5-284 Norma, 6.5 Creedmoor, 6.5 SLR, 6.5 SAUM, 7mm Rem SAUM, 7mm WSM (Details…) Available Now! $55.60 
BETA-50 4x AAA Battery Box, 50mm Fan, 10.4mm ID Nozzle (Details…) Available Now! $50.60 
OMEGA-50 4x AAA Battery Box, 50mm Fan, 8.0mm ID Nozzle (Details…) Available Now! $45.60 

Each prototype is 3D printed and assembled by hand, so please allow up to 10 business days for delivery.

  • Export Notice: Chamber Chiller is a firearm accessory that may not be exported from the United States. If the destination address is outside the USA or US Territories your purchase will be refunded in full.
  • Have more questions? Visit the Nozzle Compatibility and Frequently Asked Questions pages.
  • Problems with your order? Contact me for assistance.

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