Dead Air E-Brake .30 Cal. Sandman Enhanced Brake 1212198. Designed for added recoil reduction and improved gas venting the E-Brake minimizes dust kick-up when shooting prone and reduces sound pressure on bystanders. Available in two diameters to match your suppressor perfectly the E-Brake fits the R-Series front cap thread pitch of Dead Air?s Sandman Nomad Wolverine Sierra-5 and Wolfman suppressors. It includes a DA208 front cap tool for easy installation providing a quick upgrade to achieve a flatter-shooting rifle. Specifications for Dead Air Silencers Dead Air E-Brake 1212198: Manufacturer: Dead Air Silencers Color: Black Inner Diameter: 1.5 in Features of Dead Air Silencers Dead Air E-Brake: Acts as a muzzle brake for enhanced recoil reduction Provides diffused venting of high-pressure gases Reduces dust kick-up and sound pressure on bystanders Available in 1.735? diameter for Nomad Series or 1.5? diameter for Sandman and Wolverine suppressors Cross-compatible with all R-Series front cap thread pitch suppressors Includes DA208 front cap tool for easy installation Compatible with Sierra-5 Nomad Series Nomad Ti Series Sandman Series and Wolverine suppressors Package Contents: Dead Air Silencers Dead Air E-Brake