Extreme Performance 12 Expansion Chamber For CO2 Atomizer And HPA Volumizer Storm II With the Special Ops Silencer

With the Special Ops Silencer you can use the full length of the 10-inch barrel

Smith&Wesson M&P 9mm

Spend less time on maintenance and more time on the field with this hassle-free upgrade

• Precision fit for military specification buffer tubes (diameter = 1

Extreme Performance 12 Expansion Chamber For CO2 Atomizer And HPA Volumizer Storm II With the Special Ops SilencerExtreme Performance 12 Chamber Expansion Chamber HPA Volumizer features a modular two piece design consisting of a 12 chamber expansion ring and an adapter main body. Small and compact, it adds less than 1. 5 in 36 mm to the overall length. Precision machined from 6061 aircraft grade aluminum, it weighs only 2 oz, delivering maximum performance. CO Configuration: When used with CO, the expansion ring is installed. CO is stored as a liquid under