Diameter: 1.5 – Overall Length: 6.3 – Length Added: 5.0 when using EZ Brake 4.0 when using longer devices – Weight: 11.8 Ounces w/ Plan-A installed 9.7 Ounces tube body alone – Materials: High strength high temperature corrosion resistant 17-4PH Stainless Steel – Attachment: .30 cal/7.62mm Taper Mount minimalist devices – DB Attenuation: 7.62mm (29DB) – 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