Rearden, Alpha Atlas Thread Adapter, Compatible with Short Rearden Devices (FHD/Mini/SPB/RPB/R2S), For Suppressors with Inside Diameter Threading of 1.125X28 (Rugged Obsidian 9/45), Heat Treated...
Rearden, Atlas Alpha Low Profile, Thread Adapter, Compatible with Short Muzzle Devices, For Suppressors with Inside Diameter Threading of 1.125X28, Heat Treat Finish, Gold
Rearden, Atlas Alpha Low Profile, Thread Adapter, Compatible with Short Muzzle Devices, For Suppressors with Inside Diameter Threading of 1.125X28, Nitride Finish, Black