Ruger Mk Ii Serial Numbers

Ruger Mk Ii Serial Numbers
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Post subject:Three Screw Single Six Date of Manufacture?
Buckeye

Joined: Tue Sep 25, 2007 1:01 am
Posts: 1232
Location: Land of the Pilgrims
Howdy
Last week I picked up a nice three screw Single Six, the version with adjustable sights. 5 1/2' barrel. I would like to determine when it was made. SN is 5421XX. According to the information on the Ruger website, SN 187367 was the first SN produced in 1962. The next data point is SN 20-00001 in 1969. Nothing in between. Does anybody have some slightly more detailed information about when my 'new' Single Six was made?
Thanks


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  • Enter your RugerĀ® serial number above to view its model number, product line, caliber, production status, ship date and instruction manual. Note: This service is provided as reference only, and accuracy is not guaranteed. For specific questions or additional information, please contact Customer Service.
  • Ruger Mk II Government Target (1 2) Frankl03. 09:19 AM by RH45. 17: 1,843: MK II prices (1 2 3) Empe. 07:17 AM by Toomany22s. 37: 4,991: Mark.

As an aside, the Ruger MKII.22 was absolutely the most popular pistol among Army officers back when I was in 1981-85. So many officers in our squadron owned one that I never bought one. On many Sunday afternoons we would go to the range on post and have impromptu shooting competitions.

Posted: Thu Nov 03, 2011 8:56 pm
Moderator

Joined: Wed Jan 16, 2008 10:26 pm
Posts: 10514
Location: Illinois
I think 'adjustable sights' = Super Single Six.
Super Single-Six Revolver
(Manufactured from 1964 to 1972)
Caliber: .22 LR
Beginning Serial Number: Years of Production:
500001 1964
502608 1965
517860 1966
528826 1967
547679 1968
566735 1969
60-13852 1970
60-52410 1971
60-81278 1972
http://www.ruger.com/service/productHistory.html#
http://www.rugerforum.com/phpBB/viewtopic.php?t=73513


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Posted: Thu Nov 03, 2011 9:29 pm
Buckeye

Joined: Tue Sep 25, 2007 1:01 am
Posts: 1232
Location: Land of the Pilgrims
Thanks
I thought Super meant it came with two cylinders. This one only has the 22LR cylinder, but I suppose a Mag cylinder may have existed at some time. Anyhow, it does have adjustable sights, and your information seems a bit more in the ball park.
Thanks


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Posted: Thu Nov 03, 2011 9:33 pm
Moderator

Joined: Wed Jan 16, 2008 10:26 pm
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Location: Illinois


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Ruger standard serial number
Post subject:
Hawkeye

Joined: Fri Apr 03, 2009 7:01 pm
Posts: 7540
Location: People's Republik of Kalifornia
2 cylinders = Convertible, I think

Absolutely correct. They have an X on the end of the catalog # to indicate 'Extra Cylinder'. Both Single Sixes and Super SSs came in convertible models.

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Ruger single action 'collector, accumulator, builder and shooter'
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Posted: Fri Nov 04, 2011 1:34 am
Hawkeye

Joined: Fri Apr 03, 2009 7:01 pm
Posts: 7540
Location: People's Republik of Kalifornia
Thanks
I thought Super meant it came with two cylinders. This one only has the 22LR cylinder, but I suppose a Mag cylinder may have existed at some time. Anyhow, it does have adjustable sights, and your information seems a bit more in the ball park.
Thanks

Hi Driftwood,
The Supers were in a separate serial number range. which are on a different page from the one that you looked at. I wouldn't mind finding one. Was it a good price?

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Ruger single action 'collector, accumulator, builder and shooter'
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Posted: Fri Nov 04, 2011 2:48 pm
Hunter

Joined: Thu Jan 10, 2008 1:57 pm
Posts: 2779
Location: Vinton, VA
The Super Single-Six Old Models had the following model numbers:
SC4
SC5
SC6
The 'S' ment Super. The 'C' meant convertible and the 4,5,6 meant 4 5/8 in. bl.,5 1/2 in. bl., 6 1/2 in. bl. All Super Single Sixes were Convertibles except for one or more of the Factory Plated guns that was sold to employees.


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Posted: Fri Nov 04, 2011 3:18 pm
Hawkeye

Joined: Fri Apr 03, 2009 7:01 pm
Posts: 7540
Location: People's Republik of Kalifornia
OMG. street, thanks for correcting me. My head was stuck in Single Six Model #s. I hate to pass on bad info!

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Jim
Ruger single action 'collector, accumulator, builder and shooter'
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Last edited by Hondo44 on Sat Nov 05, 2011 2:30 pm, edited 1 time in total.

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Ruger Mark Ii Rifle Serial Numbers

Posted: Sat Nov 05, 2011 1:44 pm
Site Admin

Joined: Mon Jun 18, 2001 1:01 am
Posts: 30942
Location: Star Valley, WY
The SC4's are SCARCE! Around 200 made and they were not cataloged.
flatgate


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Posted: Sun Nov 06, 2011 12:59 am
Buckeye

Joined: Sat Nov 05, 2011 2:56 pm
Posts: 1376
Location: Desert Southwest
Thanks for getting me looking.
Makes my Old Model Single-Six 5 1/2' (20-218XX) a circa 1969 standard model covertable (although it only had the 22MAG cylinder with it when I bought it even though it's in mint condition).


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Ruger Mk Ii Serial Number Dates

Posted: Sun Nov 06, 2011 10:02 pm
Hunter

Joined: Thu Jan 10, 2008 1:57 pm
Posts: 2779
Location: Vinton, VA
Thanks for getting me looking.
Makes my Old Model Single-Six 5 1/2' (20-218XX) a circa 1969 standard model covertable (although it only had the 22MAG cylinder with it when I bought it even though it's in mint condition).

Some of those Old Model Single-Sixes with the 20 and 21 prefix with the 5 1/2 in. bl. were single cylinder guns. But they were .22 only. Not .22 Mag only. After Ruger started making the convertibles in late 1959 or 1960, not real sure of the date, almost all Single-Sixes were convertibles. They made a few 6 1/2 in. bl. guns in .22 Mag. only and they made a few 5 1/2 in bl. guns in .22 only. Anyone having a 5 1/2 in bl. Single-Six with only a .22 cylinder, needs to call Ruger to get a letter. You will find a lot of guns with only the .22 cylinder but most of them are missing the Mag. cylinder. So far all Old Model Single-Sixes with 4 5/8 in. bl. and 9 1/2 bl. will be a convertible.


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Posted: Mon Nov 07, 2011 11:16 pm
Hunter

Joined: Wed Sep 12, 2007 1:01 am
Posts: 2989
Location: Mesa, AZ
The SC4's are SCARCE! Around 200 made and they were not cataloged.
flatgate

I've been offered a 'non cataloged' Security Six. Does someone mind telling me what that means. I have a guess but would like to make sure.
Thanks

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After the raindrops had fallen, none said that they were the one that caused the flood.


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Posted: Tue Nov 08, 2011 12:09 am
Hawkeye

Joined: Fri Apr 03, 2009 7:01 pm
Posts: 7540
Location: People's Republik of Kalifornia
The SC4's are SCARCE! Around 200 made and they were not cataloged.
flatgate

I've been offered a 'non cataloged' Security Six. Does someone mind telling me what that means. I have a guess but would like to make sure.
Thanks

Guns that got out the door in a configuration that ws not shown or listed in the catalog and usually in very small quantities. The SC4's mentioned by flatgate were 'non cataloged'. They turn into great collectibles.
What's the details on it, unusual barrel length?

_________________
Jim
Ruger single action 'collector, accumulator, builder and shooter'
NRA Life
CRPA Life
CRPC Life
SASS Life
SWCA
RCA

Last edited by Hondo44 on Tue Nov 08, 2011 4:44 pm, edited 1 time in total.

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Posted: Tue Nov 08, 2011 5:27 am
Site Admin

Joined: Mon Jun 18, 2001 1:01 am
Posts: 30942
Location: Star Valley, WY

I've been offered a 'non cataloged' Security Six. Does someone mind telling me what that means. I have a guess but would like to make sure.
Thanks

Sure! It means a Double Action Ruger Revolver in such a configuration that it does NOT match anything shown in the catalogs. Now, is it a 'Ruger Made' configuration or was it done after it was shipped from the Factory?
flatgate


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Posted: Tue Nov 08, 2011 10:39 am
Hunter

Joined: Wed Sep 12, 2007 1:01 am
Posts: 2989
Location: Mesa, AZ

I've been offered a 'non cataloged' Security Six. Does someone mind telling me what that means. I have a guess but would like to make sure.
Thanks

Sure! It means a Double Action Ruger Revolver in such a configuration that it does NOT match anything shown in the catalogs. Now, is it a 'Ruger Made' configuration or was it done after it was shipped from the Factory?
flatgate

Thanks Flatgate. For you and Hondo44, please forgive me in saying at this time I have two questions for the gentleman that I am awaiting a return phone call on. Depending on his answers, I'm either buying it or passing. At that time, one way or the other I'll give details. All I really want to say at this time it is a 100% NIB factory made with either 5 or 6 known.
I apologize if I stole this thread, I just wanted to make sure my understanding of non cataloged was what you both kindly explained to me.

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[ 15 posts ]

STANDARD MODEL MARK II

Model MK450

Introduced in 1999, to commemorate 50th Anniversary of first Ruger rimfire pistol. Fitted with 4.75' barrel, with fixed sights. Chambered for .22 LR cartridge. Pistol-grips have a red Ruger medallion and Ruger crest on the barrel. Furnished in a red case. Weight about 35 oz. Production limited to one year.
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Model MK6

Same as above, with 6' barrel. Weight 37 oz.
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Model KMK4

Same as Mark II Standard, except made of stainless steel.
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Model KMK6

Same as above, with 6' barrel. Weight about 37 oz. NOTE: In 1997, Ruger produced 650 of Model MK6, with special features for 'Friends of the NRA' auction of the same year. These guns have high polish bluing, faux ivory grip panels, gold inlaid National Rifle Association inscription and gold inlaid number of '1 of 650' to '650 of 650'.
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Target Model

Model incorporates the same improvements as Mark II Standard. Offered with 5.5' bull, 6.875' tapered and 10' heavy barrel. A 5.25' tapered barrel was added in 1990, but discontinued in 1994. Blued finish. This model has adjustable target sights. Introduced in 1982. NOTE: In 1989, approximately 2,000 5.5' bull barrel Mark II pistols, with blue barreled receivers and stainless steel grip frames were produced by Ruger on order from a Ruger distributor. They exist in the 215-25xxx to 215-43xxx serial number range.
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Stainless Steel Target Model

Same as blued version, but made of stainless steel.
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Government Model

Similar to blue Mark II Target, with 6.875' bull barrel. Civilian version of a training pistol that the military is purchasing from Ruger. Only difference is this model does not have U.S. markings. NOTE: Add 150 to 175 percent premium for models with 'U.S.' marking. An expert examination and appraisal is suggested.
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Stainless Steel Government Model

Stainless steel version of Government Model. NOTE: Same with U.S. markings. These are found in serial number range of 210-00001 to 210-18600. Only a couple dozen are in civilian hands.
Ruger Mk Ii Serial NumbersRuger
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Ruger Mk I Serial Numbers

Competition Model KMK678GC

Ruger Mark 2 Serial Numbers

Competition model features a stainless steel frame, with checkered laminated hardwood thumbrest grips, heavy 6.875' bull barrel factory drilled and tapped for scope mount, Partridge type front sight undercut to prevent glare and adjustable rear sight. Weight 45 oz. NOTE: In 1997, Ruger produced 204 of these pistols in blue instead of stainless steel for one of their distributors. They are very scarce. In 1995, Ruger produced a similar blued pistol (1,000 total: 500 each with or without scope rings) with 5.5' slab side barrels. These are not marked 'Competition Target Model' like the previously described variation.
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Bull Barrel Model MK4B

Ruger Mk Ii Serial Number Lookup

Introduced in 1996. This bull barrel variation has a blued finish, with 4' barrel. Grips are checkered composition. Weight about 38 oz.
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