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Author Topic: barrel thread specs?  (Read 660 times)

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Offline strut64

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barrel thread specs?
« on: August 26, 2011, 04:12:00 AM »
Anyone know the specs on the barrel thread???  Just curious if it is the same as Sako.  I have 2 rifles and one day, may change out one of them.
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Offline parkergunshop

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Re: barrel thread specs?
« Reply #1 on: August 26, 2011, 05:18:04 AM »
 
This seems to be the answer.
Metric threads, M18 X 1, Right hand.  Same threads as on a Sako TRG and Blaser Tactical.
 
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Offline strut64

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Re: barrel thread specs?
« Reply #2 on: August 26, 2011, 09:13:07 AM »
Thanks.  So if you are buying a barrel,  The smith's lathe has to be able to cut metric or have the supplier prethread it.
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Offline strut64

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Re: barrel thread specs?
« Reply #3 on: September 09, 2011, 02:06:26 PM »
The 18X1 thread is used on the muzzle to mount compensator or silencer.  I want to know the specs on the thread into the receiver.  If and when I pull a barrel then I can measure it but I am just curious.
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Offline parkergunshop

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Re: barrel thread specs?
« Reply #4 on: September 09, 2011, 02:43:56 PM »
   Sako Finnbear threadsAccording to DeHaas in the book "Bolt Action Rifles"

Shank length: .870" The Sako L46 is a .860" x 16 tpi 55 degree Whitworth thread.
Shank Diameter: I.000"
Threads:16 V T.P.I.
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U.S. Airforce 1961-1967
Lackland AFB,  Sheppard AFB, Texas
Homestead AFB FLorida, 1962-63 Cuban Crisis
Loring AFB, Maine 1963-1964
AFTAC Alexandria, VA 1965-1967
Air Force Competition Rife Team
NRA Endowment Life Member
National Benchrest Rifle Shooters Association

Freedom is not cheap in any sense of the word.  Only those willing to fight for it will have it in the long run.
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