Talk:Ruger Mini-14

Ruger Mini-14/30 Barrel Twist Rates

Ruger Mini-14/30 Barrel Twist Rates

• http://sunflowerammo.blogspot.com/2012/11/ruger-mini-1430-barrel-twist-rates.html

   180 Series Mini-14Beginning
   Serial Nbr
   180-00001--1974--1 in 10
   180-05101--1975--1 in 10
   180-28282--1976--1 in 10
   180-59251--1977--1 in 10

   Mini-14
   Thin barrel, ejector is in the bolt, no scope ring scallops cast into the receiver.Beginning
   Serial Nbr
   181-07488--1978--1 in 10
   181-48351--1979--1 in 10
   181-84879--1980--1 in 10
   182-45601--1981--1 in 10
   183-03581--1982--1 in 10
   183-40455--1983--1 in 10
   184-17175--1984--1 in 10
   184-26063--1985--1 in 10
   184-95448--1986--1 in 10 and 1 in 7
   185-14140--1987--1 in 7
   185-50455--1988--1 in 7
   185-56556--1989--1 in 7
   185-81009--1990--1 in 7
   186-05029--1991--1 in 7
   186-18250--1992--1 in 7
   186-20065--1993--1 in 7
   186-31116--1994--1 in 7
   186-42502--1995--1 in 7
   186-58133--1996--1 in 7
   186-66855--1997--1 in 7 and 1 in 9
   186-81445--1998--1 in 9
   186-87432--1999--1 in 9
   *196-06325-2000--1 in 9
   *196-44553-2001--1 in 9
   *196-80982-2002--1 in 9
   *196-99207-2003--1 in 9
   *197-12180-2004--1 in 9
   * Mini-14 serial numbers rollmarked with Mini-14 Ranch Rifles beginning in 2000

   Ranch Rifle
   Thin barrel, ejector in the bolt stop assembly, scope ring scallops cast into the receiver, buffer system using the recoil spring assembly.Beginning
   Serial Nbr
   187-00001--1982--1 in 10
   187-02611--1983--1 in 10
   187-13218--1984--1 in 10
   187-27226--1985--1 in 10
   187-50919--1986--1 in 10 and 1 in 7
   187-59308--1987--1 in 7
   187-70033--1988--1 in 7
   187-84127--1989--1 in 7
   188-01157--1990--1 in 7
   188-30499--1991--1 in 7
   188-50902--1992--1 in 7
   188-66901--1993--1 in 7
   188-71086--1994--1 in 7
   188-85981--1995--1 in 7
   195-06037--1996--1 in 7
   195-27761--1997--1 in 7 and 1 in 9
   195-44221--1998--1 in 9
   195-63542--1999--1 in 9
   196-06325--2000--1 in 9
   196-44553--2001--1 in 9
   196-80982--2002--1 in 9
   196-99207--2003--1 in 9
   197-12180--2004--1 in 9

   New Mini-14 Ranch Rifle
   580 Ranch Rifle (early version): Thin barrel, ejector in the bolt stop assembly, scope ring scallops cast into the receiver, buffer system using the recoil 
   spring assembly, new tooling resulting in a slightly different look to the receiver (more rounded edges, etc.)
   580 Ranch Rifle (later version)-581: Thicker flanged barrel, ejector in the bolt stop assembly, scope ring scallops cast into the receiver, buffer system 
   using the recoil spring assembly, new tooling resulting in a slightly different look to the receiver (more rounded edges, etc.)Beginning
   Serial Nbr
   580-00001--2005--1 in 9
   580-15286--2006--1 in 9
   580-32382--2007--1 in 9
   580-50951--2008--1 in 9
   * 580-76276
   and 581-00000--2009--1 in 9
   * 581-48753--2010--1 in 9
   * 581-71056--2011--1 in 9
   * 581-95645--2012--1 in 9
   * New Mini-14 Ranch Rifles rollmarked with Mini Thirty Rifles beginning in 2009.

   Mini-30Beginning
   Serial Nbr 
   186-00501--1986--1 in 10
   189-00001--1987--1 in 10
   189-15143--1988--1 in 10
   189-17652--1989--1 in 10
   189-25005--1990--1 in 10
   189-38805--1991--1 in 10
   189-51041--1992--1 in 10
   189-52528--1993--1 in 10
   189-59348--1994--1 in 10
   189-65480--1995--1 in 10
   189-75697--1996--1 in 10
   189-82126--1997--1 in 10
   189-84971--1998--1 in 10
   189-89313--1999--1 in 10
   189-96162--2000--1 in 10
   *196-06325-2001--1 in 10
   *196-44553-2002--1 in 10
   *196-99207-2003--1 in 10
   *197-12180-2004--1 in 10
   * Mini Thirty serial numbers rollmarked with Mini-14 Ranch Rifles beginning in 2001

   New Mini-30Beginning
   Serial Nbr
   581-01002--2006--1 in 10
   581-05892--2007--1 in 10
   581-06747--2008--1 in 10
   581-11910--2009--1 in 10
   581-48753--2010--1 in 10
   581-71056--2011--1 in 10
   581-95645--2012--1 in 10