Whisper V3 Suppressor Silencer Moderator. All weather; alloy body with alloy mono core 13 baffle system. Unscrews for easy cleaning. Heavy duty construction. Suitable calibres; up to 222 only. Colour; Black Length; 238mm Diameter; 44mm Weight; 452g Thread; 5/8-24 (also 1/2x28 thread adaptor available for an extra $12)