Strike Industries Bm2Sb12 Safety Enhanced Compatible with 12 Gauge/20 Gauge/Benelli M1/M2/M3/M4 Black 4140 Steel The Safety disengages smoothly For a Quick And Efficient Operation. The Button Face Is Concave To Provide Positive Feedback Sensation On The Fingertip. Operating This Safety While Wearing Gloves Is Effortless, thanks To Its User-Friendly Design. The Strike Enhanced Safety Is Easily installed With Its Drop-In Installation, Allowing To Upgrade a Shotgun In No Time. Made From Durable AISI 4140 Steel And Finished With The Quench Polish Quench Process. Model: Safety Material: 4140 Steel