The Rearden Atlas Charlie XL thread adapter provides reliable suppressor mounting with heat treated finish and 1.125x28 threading for enhanced durability and performance.Rearden Atlas Charlie XL Thread AdapterHeat treated finish for maximum durability1.125x28 thread specificationCompatible with Rearden devices Q Cherry Bomb and Plan B systemsDesigned for suppressors with SilencerCo Charlie pattern inside diameterNitride finish in blackEssential suppressor accessory for firearm enthusiasts seeking reliable multi-compatible mounting solutions with professional-grade heat treatment for long-lasting performance.