The Silencer Co Piston 9/16X24 is an accessory designed for use with Silencer Co Osprey and Octane suppressors. This piston features a 9/16"-24 tpi thread pattern, making it compatible with specific applications.Key FeaturesThread Pattern: Features a 9/16"-24 tpi thread pattern for compatibility with select suppressors.Model Compatibility: Designed specifically for use with Silencer Co Osprey and Octane models.Length: Measures 2.1 inches in length.