The Big Body Tu-Tu-Three - You've heard it before 'Bigger is better.' Usually that's true. One place 'bigger' isn't better is short barrelled AR rifles and long barrelled AR pistols. Confused yet? Good. The newest version of our Ultra Compact Suppressor Family of fighting suppressors is a bigger size body with a smaller hole. Introducing the Big Body Tu-Tu-Three. The Big Body Tu-Tu-Three is our 1/2-28 answer for your shortly endowed .223 caliber long arms. - .223/5.56 Caliber - 4 inches overall - 1/2-28 threads - 1 5/8 inch diameter - No blow back through the charging handle - Made from 416 Stainless - No Barrel Restriction - Full Auto Rated - Custom Serial Numbers are available upon request - Tired of your little gun having a big mouth? Thread on a Big Body Tu-Tu-Three and quiet that thing down.