Otter Creek Labs OTB Features The OTB is machined from steel a material selected for its strength dimensional stability and ability to withstand the heat blast and mechanical stress generated at the muzzle during sustained fire on 1/2x28-threaded host platforms. Steel construction ensures the OTB maintains its thread engagement and muzzle device geometry through the repeated thermal cycling and high-pressure gas exposure that flash hiders endure during high-volume use providing reliable long-term performance as both a standalone flash hider and a suppressor mounting interface component. The 1/2x28 thread pitch provides broad host compatibility across the most widely adopted pistol and rifle muzzle thread standard in use today. As a dedicated Otter Creek Labs flash hider the OTB is engineered to provide the correct mechanical interface for compatible Otter Creek Labs suppressor mounting systems ensuring proper alignment and secure lockup when a compatible suppressor is installed on the host firearm. The flash hider geometry delivers effective muzzle flash reduction during unsuppressed use maintaining low visual signature at the muzzle and preserving the shooter s night vision and situational awareness during low-light firing conditions. For any Otter Creek Labs suppressor owner running a 1/2x28-threaded host the OTB is the purpose-built steel flash hider that completes the suppressor mounting system. Otter Creek Labs OTB Specifications Manufacturer: Otter Creek Labs Model: OTB Category: Suppressor Accessory Series: Flash Hider Thread Pattern: 1/2x28 Material: Steel