The American Precision Arms G4L5860N Gen 4 Little Bastard Self Timing Nitride muzzle brake delivers unmatched stabilization with the brands calibrated U.R.P tunable top ports, engineered for maximum adjustment and the flattest shooting performance available, hands down. Built in a nitride finish for durable corrosion resistance, this Gen 4 brake redefines recoil control by precisely testing port size and location to optimize how gas is fed into the top ports, resulting in zero vertical movement and enhanced shot-to-shot consistency. With a compact 2.70" overall length and a 1" diameter, the brake is designed for 6mm applications using a 5/8"-24 thread pattern, combining robust compatibility with reliable self-timing features for streamlined installation. The G4L5860N integrates seamlessly into high-precision builds where minimal muzzle rise directly translates to faster follow-up shots and improved accuracy in dynamic field conditions. Whether used in precision rifle setups or demanding field scenarios, this component from AMERICAN PRECISION ARMS stands out for its combination of innovative port tunability, durable nitride finish, and exacting Gen 4 design intent, delivering predictable performance when it matters most.