Or, a spacer washer can be installed, Or You can get the kit that replaces the BAS with the one with the adjustable set screw.I'm not familiar with every kit, generally if something is inserted then something must be removed or the firing pin fall is longer. This can be achieved by removing a corresponding amount from the face of the BAS screw which holds the bolt assembly together.
But I simply remove the difference from the Cocking Sleeve
