CAGE Device

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The CAGE (Concussion Altering Gas Expansion) Device is the pinnacle of concussion reduction technology. Its primary essential task is to disrupt side concussion while keeping or enhancing the characteristics of the Gamma and Epsilon series of muzzle devices. It accomplishes this with ease.

The CAGE does not use a large tubular construction because gas dynamics used for muzzle brakes do not operate efficiently when transferring energy into them. Instead it features a close wrap fit. This allows the CAGE to distribute the gases in a manner conducive to both muzzle control and concussion disruption.

The sides of the CAGE utilize a series/pattern of small holes which move over the chambers of the Gamma and Epsilon devices. This allows the gasses to expend energy more uniformly and slows them down while moving through the porting thus disrupting horizontal concussion AND allowing the muzzle brake to have more time to influence the gaseous escape through all the ports. This leads to an extremely smooth recoil and zero muzzle flip by "bleeding off energy" rather than abruptly losing energy.


  • Material: Highest Quality Stainless Steel
  • Finish: BLACKNITRIDE™ - Matte Black Finish
  • Surface Hardness: 68RC
  • Compatibility - Dual Chambered Muzzle Devices, GAMMA 556 and EPSILON 556
  • Weight: 1.4oz
  • Muzzle brake not included
More Information
SKU APVG100201
Brand SKU APVG100201
Rifle Platform AR-15
Chamber 5.56 NATO
Muzzle 1/2 - 28
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