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Sako Medium and Large action ?
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Are these actions the same barrel shank thread size?






Member NRA, SCI- Life #358 28+ years now!
DRSS, double owner-shooter since 1983, O/U .30-06 Browning Continental set.
 
Posts: 3611 | Location: LV NV | Registered: 22 October 2002Reply With Quote
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I just tried screwing a barrel from an L61r into an L579 action and it didn't want to go.


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Posts: 1992 | Location: WI | Registered: 28 September 2007Reply With Quote
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SAKO L61R`s threath diameter is .046" bigger than L579`s.
 
Posts: 410 | Location: Finland | Registered: 31 March 2007Reply With Quote
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Ah, but is the pitch the same?






Member NRA, SCI- Life #358 28+ years now!
DRSS, double owner-shooter since 1983, O/U .30-06 Browning Continental set.
 
Posts: 3611 | Location: LV NV | Registered: 22 October 2002Reply With Quote
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Here's what I have, all are 16 V tpi - L-46 thread lenght .845, outside thread dia .855

l-579. tl is .870 - osd is 1.00

L-61. osd is 1.046.

L-57. 17 V tpi, osd. is .984

Info. is out of Bolt action Rifles by Frank de Haas

Hope this helps you out. --- John
 
Posts: 288 | Registered: 26 January 2008Reply With Quote
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Very early L61s were 1.000" OD.

Not sure what years or serial number range constitutes very early. Suffice to say, I've never run across a 1.000" L61R.
 
Posts: 486 | Location: Moving | Registered: 23 September 2010Reply With Quote
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Once again, thanks for the informative replies. The OSD of this barrel is 1.042" so apparently for a large action... so more than a little fitting will be required.






Member NRA, SCI- Life #358 28+ years now!
DRSS, double owner-shooter since 1983, O/U .30-06 Browning Continental set.
 
Posts: 3611 | Location: LV NV | Registered: 22 October 2002Reply With Quote
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