MARK II KMK-512GC (RUGER MODEL 0188)
.22 LR cal., 5 1/2 in. stainless steel slabside bull barrel, drilled and tapped with scope base, black laminate grips. Known SN range of 225-04379 to 225-31716 and 226-16803. Total of 894 shipped from 2002-2003 to Big Rock Sports - Henry's...