looking first at fig1 a e an example embodiment of the shield member 22 is shown in several views as will be described in further detail below the shape and dimension of the shield member 22 varies according to the particular firearm the shield member 22 is intended to lock the present example embodiment was made to fit a standard colt 1911 model 45 semiautomatic pistol designated as the m1911 series thus the below described operation and embodiments have been customized to be compatible with the m1911 however with only slight modification of shape and dimension the present trigger lock 20 can be used to secure a variety of firearms including automatic pistols revolvers assault rifles long rifles shotguns and the like the shield member 22 is shown in front perspective with the web 28 towards the viewer in fig1 e it is shown in fig6 a that preferably the web 28 is closest to the muzzle of the firearm 200 when the trigger lock 20 is engaged over the trigger guard 206 thus when referencing the front or forward direction this refers to the muzzleward direction relative to the firearm 200 similarly when referencing the back or rear direction this would be opposite of the muzzleward direction towards the breech.