SPECS : – Diameter: 1.5 – Overall Length: 5.8 – Length Added: 4.5 when using EZ Brake 3.5 when using longer devices – Weight: 11.0 Ounces w/ Plan A installed 9.1 ounces tube body alone – Materials: High strength high temperature corrosion resistant 17-4PH Stainless Steel – Attachment: .22 cal/5.56mm Taper Mount minimalist devices – DB Attenuation: 5.56mm (31DB) – Finish: High Temp Cerakote – Full Auto Rated: Yes – FEATURES: – 17-4 Stainless Steel Fully H900 Heat Treated – Laser Welded – Minimal and Repeatable POI shift – Rock Solid Mounting – Low Profile Flash Suppressor – ECO-FLOW baffle system for improved performance – Compatible with Griffin Taper Mount devices – Compatible with CAM-LOK® Universal QD system – Supports 3-Lug QD kits – Supports A2/Gate-Lok adapter – Griffin Cerakote finish – Perpetual Lifetime Warranty