Experience unparalleled shooting performance with the Gen 4 Little Bastard Nitride Brake from American Precision Arms. This innovative brake features calibrated U.R.P tunable top ports meticulously engineered to deliver the flattest shooting experience possible. By optimizing port size and location and enhancing the gas flow dynamics this brake achieves zero vertical movement ensuring precision with every shot. Designed with a 5/8"x24 thread pattern the Gen 4 Little Bastard is the perfect choice for those seeking superior control and accuracy.