>> This is a Post 1977 black polymer trigger assembly that will only fit the modern Small Frame 870 LW Wingmaster 20 ,, Express 20 ,, Tac 14 20 or 870 Express Youth 20 and will not fit the old pre 1977 standard (Large) 20 Gauge 870 >> Excellent used condition as seen in the photo's >> Conventional right hand safety >> If you are not sure message me with any questions