Mini 14 Series by Year


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Old 02-08-2013, 10:18 PM   #1
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Default Mini 14 Series by Year

Good info here to date your Mini.


180 Series
Produced from 1974-1977.
Brass ejects upwards.
Shipped from factory with wood handguard installed.
Original Mini-14, no longer supported by Ruger (i.e., no 180-specific parts available)

181 - 186 Series Link
Produced from 1978-1999.
"Standard" Mini-14
No factory scope mounts, single blade front sight, low round rear peep sight.
Brass ejects upwards.
Still supported by Ruger factory parts.

196 - 197 Series Link
Produced from 2000-2004.
Same as 181-186 Series.

187 - 188 Series Link
Produced from 1982-1995.
Mini-14 Ranch Rifle
Factory Scope Mounts, flip-up rear sight, single blade front sight.
Brass ejects to side to avoid contact with scope.
Still supported by Ruger factory parts.

195 - 197 Series Link
Produced from 1996-2004.
Mini-14 Ranch Rifle.
Same as 187-188 Series.

580 - 581 Series Link
Produced from 2005-Present.
Mini-14 Ranch Rifle.
Winged Rear Peep Sight, Winged (3-blade) Front Sight.
Integrated Scope Mounts.
At some point in the 580 Series, Ruger introduced the "heavier," flanged/tapered barrel which improved accuracy and decreased heat sensitivity (stringing).


Mini 14 twist rates.

Mini 14 rate of twist
1. 1974- 1986 is 1 in 10
2. 1986- 1997 is 1 in 7
3. 1997- present is 1 in 9
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Last edited by Threetango; 02-10-2013 at 08:56 PM. Reason: addition
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Old 02-08-2013, 10:52 PM   #2
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The 580-581 ejects to the side about 20 to 25 feet! The first day at the range with a tactical, running through the first 20 rounder, a guy at the other end of the firing line was glaring at me. I filled up his range box and hit him with warm spent cases. Found a Dillon buffer settled that problem down. It isn't always easy to find an opening at the right end of the line.



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Old 02-09-2013, 12:35 AM   #3
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where does one obtain a "dillon buffer"? kinda new to mini 14, so much I don't know. I'm learning though, thanks mainly to this group.

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Old 02-09-2013, 01:01 PM   #4
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Mods: sticky?

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Old 02-09-2013, 01:28 PM   #5
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Quote:
Originally Posted by deadworm View Post
where does one obtain a "dillon buffer"? kinda new to mini 14, so much I don't know. I'm learning though, thanks mainly to this group.
From Dillon Reloading/Blue Press

Item #K18-10525

for a catalog, 800-762-3844
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Old 02-10-2013, 06:01 PM   #6
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Quote:
Originally Posted by primer1 View Post
Mods: sticky?
Would be worthy of sticky status if it also included barrel twist rates. JMO.

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Old 02-10-2013, 06:25 PM   #7
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Quote:
Originally Posted by masterPsmith
Would be worthy of sticky status if it also included barrel twist rates. JMO.

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Let them eat cake, and icing too.
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Old 02-10-2013, 08:54 PM   #8
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Quote:
Originally Posted by masterPsmith View Post
Would be worthy of sticky status if it also included barrel twist rates. JMO.

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Check the OP now.
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Old 02-10-2013, 09:55 PM   #9
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I retorqed my gas block which was way off from the factory and installed wilson 1911 style buffers on the op rod and gas block and my brass lands about 5ft away at my 4 o'clock. The mini performed best with the gas block torqed to 32 in/lbs ymmv. I checked it from 30-35. The accustrut and a trigger job along with the other mods has made my 580 series thin barrel mini-14 a very formidable rifle.

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Old 02-19-2013, 06:40 AM   #10
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No sticky-wicky? -bottom lip protruding-



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