Has anyone installed one on a Stevens 200 LA ? Installation instructions show a pretty muddy photo of the "old style" trigger housing w/ barely legible notation: " front side cut " ( I think ! ) Can someone tell me what this drawing is refering to?............ Note: my trigger bracket doesn't look exactly like the one in question, but does have the same through hole pattern. If someone can shed a little light on this issue, I'd sure be appreciative ??? Thanks, Dale