i am going to sell some of my unused smith's. i have a pre 27, num. s162xxx,and a pre 18 num.k228xxx. both 5 screw allnumber match, except pre 27 has altamont grips all other numbers match. about 85% or better. .357 is 6 1/2 in. bb. the .22 is 4 in. bb/ much thanks in advance and still can not figure out how to insedt pics,sorry.