1sem-- I note the BL22 was your dad's. If it is a 1969 or 1970 (barrel saying "patent pending" it is abit of a special BL22. These little lever actions came into production in these years. They are believed to be the finest of the BL22's which continue to be made to this day. They have a nice trigger and the walnut is often superb in its' figure. I purchased mine about 5 years ago, and was astonished with the rifles accuracy. Mine has a Weaver 3x9-40 on it. Good luck with yours.
.02 David
ps Mine is a 1970.