i am looking for an ajustable peep for a 3/8 in dovetail i have found some for 11mm would this work?

dave

Williams makes two models that will fit air rifles or .22 rimfire rifles:
http://www.midwayusa.com/eproductpage.e ... t=11082005
They also make Model 5D-AG which is the cheaper version of the sight above, but apparently Midway doesn't stock that one...