The Rearden R2S Flash Hider is a purpose-built muzzle device for rifle enthusiasts seeking effective flash reduction and a secure, reliable fit. Its stainless steel construction and black finish provide a durable, modern design, while the tapered shoulder helps maintain a secure connection during use. Designed with M13.5x1 LH threads, the R2S is compatible with ASR 40 caliber rifles. Its flash-hiding design helps dissipate visible muzzle flash, making it well suited for hunting, competitive shooting, and other low-light shooting applications. Specifications Manufacturer: Rearden Manufacturing Group LLC Model: R2S Type: Flash Hider Thread Pitch: M13.5x1 LH Material: Stainless Steel Finish: Black Shoulder: Tapered Warranty: Manufacturer Warranty Get it at BattleHawk Armory!