An OEM Rem M.Walker trigger group safety lever will have a break away "HOLE" at the bend as not to destroy said lever completely if hit from a fall/mishap etc.
(I've precision TIG welded hundreds over the years)
Aftermarket Rifle Basix safety levers do not have said "HOLE" in the lever.
Machine the notch in the receiver tang to convert a 721/722 receiver to accept a 700 trigger group.
