Patent ID: 7296505
Filing Date: 2007-11-20
Classification: F41A

Abstract:
1. A muzzle brake for a gun, comprising at least one substantially cylindrical body for positioning in a gun barrel extension, said body comprising at least two stages of propellant gas reception vanes each extending generally radially outwardly from the cylindrical body, said vanes arranged in first and second stages, said second stage located in the breech-to-muzzle direction from said first stage, said body perforated by vents for directing propellant gas towards said vanes, said brake further comprising at least one deflector to deflect the flow of propellant gas, said deflector positioned between the vents of the second stage of said vanes and a front profile of the first stage of said vanes, said deflector comprising a flange extending through the entire circumferential length of the front profile of said vanes of said first stage; and a groove extending circumferentially between said flange and the vanes of the first stage, the radial extent of the deflector at the bottom of the groove being substantially less than the radial extent of the adjacent flange portion of the deflector.