Patent ID: 7237353

Claim:
A muzzle break for a gun having a propellant charge and a projectile with sabot, said muzzle break comprising: a housing defining a projectile path and a sabot separation chamber, said housing including a first end mountable to a barrel of the gun and encompassing a projectile inlet port in said housing with said housing further including a second end encompassing a projectile outlet port in said housing for an egress of said sabot separation chamber, said housing having at least one aperture formed therein adjacent to said first end; a first membrane affixed to an exterior of said housing and positioned to seal said at least one aperture; a second membrane affixed to an exterior of said housing and positioned to seal said projectile outlet port, said second membrane separable from said projectile outlet port when in contact with the projectile fired from the gun; and a baffle disposed within the projectile path defined by said housing and being capable of deflecting gases produced by an ignited propellant charge during the firing of the gun; and wherein said first membrane is capable of separating from said housing by the gases exiting through said at least one aperture thereby reducing a volume of the gases within said sabot separation chamber.