US Patent 8235263 Retention holster having a guard and guard release

A holster for a handgun, comprising a holster body defining a cavity for receiving and holding a handgun; a retention guard pivotably coupled to the body, wherein the retention guard is pivotable between a closed position for securing a handgun within the cavity and an open position for removal of the handgun; and a guard release lever for releasably securing the retention guard in the closed position, wherein the guard release lever is biased to a guard retention position, but wherein the guard release lever is capable of being pivoted to a guard release position when a user's thumb/finger applies a pivoting force to the thumb/finger engagement portion such that the guard locking portion is sufficiently withdrawn from the guard locking means to allow the retention guard to pivot to the open position.