A device mount for a weapon with a stabilizing function is provided. In one embodiment, the device mount includes a device bracket, a stabilizing tube and at least one stabilizing member. The device bracket has a support plate and a side plate that extends generally at a right angle from the support plate. The stabilizing tube is movably coupled to the side plate. The at least one stabilizing member is received in the stabilizing tube. Moreover, the at least one stabilizing member is configured to stabilize motion of the device bracket.