The ergonomic design allows you to feel the safety and its current condition very easily through gloves. It is also easier to find in low and no light conditions, and allows more surface area for positive engagement. Easy to install. Fits: 

Benelli M1, 
Benelli M2, 
Benelli M3, 
Benelli Super Black Eagle, 
Stoeger M3000, 
Stoeger M3500. 

Machined from 4140 steel, mil spec parkerised finish. 

Made in Canada.