Rearden Atlas Alpha Low Profile Adapter Features The Rearden Atlas Alpha Low Profile Adapter is a mounting adapter engineered specifically for suppressors utilizing the 1.125x28 Alpha thread pattern enabling compatibility with Plan B-style muzzle devices across a compact low-profile form factor that maintains a minimal overall suppressor package length. Its design is purpose-matched to short suppressors such as the SilencerCo Omega 9K-style platform where a standard-length adapter would add unnecessary length or create clearance issues with shorter muzzle devices. Compatible Rearden muzzle devices include the FHD Mini SPB RPB and R2S and compatibility extends to Q Cherry Bomb and other Plan B-compatible interfaces for broad mounting flexibility across multiple suppressor mounting systems. The black nitride 17-4 PH suppressor thread adapter is finished with a nitride surface treatment that delivers superior hardness corrosion resistance and a consistent black appearance that holds up to repeated suppressor attachment and detachment cycles field exposure and sustained heat without degradation. Adding only 0.350 of length to the overall suppressor package the low-profile design keeps the setup as compact as the host suppressor allows without compromising the Atlas or Plan B interface functionality. Proper installation and alignment are recommended to ensure reliable performance and consistent suppressor engagement across all compatible configurations. Rearden Atlas Alpha Low Profile Adapter Specifications Manufacturer: Rearden Model: Atlas Alpha Low Profile Adapter Type: Thread Adapter Material: 17-4 PH Stainless Steel Finish: Black Nitride Color: Black Suppressor Interface: 1.125x28 (Alpha) Mount Type: Atlas / Plan B Interface Length Added: 0.350 Compatible Suppressors: Low-Profile Suppressors with 1.125x28 Threading (e.g. Omega 9K-Style) Compatible Muzzle Devices: Rearden FHD Mini SPB RPB R2S Q Cherry Bomb Plan B-Compatible Devices