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== Mini-14 Rifle (Manufactured from 1978 to 2004) ==Mini-14 Rifle (Manufactured from 1978 to 2004)* https://ruger.com/service/productHistory/RI-Mini14A.html Caliber: 223 Rem, 222 Rem Beginning Serial Number: Years of Production: 181-07488 1978 181-48351 1979 181-84879 1980 182-45601 1981 183-03581 1982 183-40455 1983 184-17175 1984 184-26063 1985 184-95448 1986 185-14140 1987 185-50455 1988 185-56556 1989 185-81009 1990 186-05029 1991 186-18250 1992 186-20065 1993 186-31116 1994 186-42502 1995 186-58133 1996 186-66855 1997 186-81445 1998 186-87432 1999 *196-06325 2000 *196-44553 2001 *196-80982 2002 *196-99207 2003 *197-12180 2004* Mini-14 serial numbers rollmarked with Mini-14 Ranch Rifles beginning in 2000The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped.Ruger does not necessarily produce firearms in serial number order. There are occasions when blocks of serial numbers have been manufactured out of sequence, sometimes years later. Also, within a model family the same serial number prefix may be used to produce a variety of different models, all in the same block of serial numbers. And in some cases, firearms may be stored for a length of time before they are shipped.