ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,776, issued on July 14.
"Tuner attached to a muzzle brake or suppressor of a firearm" was invented by Erik Cortina (Floresville, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A muzzle brake having a tuner and allowing for micro-adjustments to the weight of the barrel of a firearm. Upon being fired, the weighted the barrel mitigates the effect on aiming by disruptive frequencies reverberating through the firearm. The muzzle brake can incorporate a muzzle brake and be positioned after the muzzle brake segment such that the harmonics of the muzzle brake segment can also be affected by the muzzle brake. Use of the tuner on a firearm can increase ...