This is our premium 1911 Magazine catch, all CNC machined from solid stainless steel Bar stock and heat treated. The Button end is Checkered. This one is combat length so it is about .080 longer than a standard length, giving you better control on the release and it still sits low so you are not catching on clothing, holsters etc.... These are the best it gets in a precision Mag catch for you 1911 pistol; Will work on all 1911 Colt style pistols and Clones. These are Professional gunsmithing parts made here in the USA,….