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Torque Specs! |
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budperm 
Optics Retard 
show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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 Posted: November/04/2010 at 16:37 |
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bump
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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csacpt
Optics Apprentice 
Joined: October/06/2010 Location: Ingram TX Status: Offline Points: 77 |
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Posted: November/04/2010 at 19:07 |
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Vortex ring specs from their site:
http://www.vortexoptics.com/product/vortex-tactical-30mm-riflescope-ring-low http://www.vortexoptics.com/product/vortex-precision-matched-rings-30mm-riflescope-low-height
The smaller screws on the precision matched rings rail mount clamp are also 55 inch pounds. I called them to verify that. Edited by csacpt - November/15/2010 at 21:40 |
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PONIESWHEE
Optics GrassHopper
Joined: January/14/2010 Location: Central NY Status: Offline Points: 28 |
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Posted: November/11/2010 at 21:26 |
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Not to confuse the matter, but I picked up a torque wrench today and the instructions make a distinction between lubed fasteners and non-lubed fasteners.
for example: 10-24 UNC Commonly used on scope base windage screws lubed fastener - 40-45 in-lbs dry fastener - 65 in-lbs 8-32 UNC Commonly used on scope rings lubed fastener - 28-30 in-lbs dry fastener - 60 in-lbs 6-32 UNC Commonly used on scope base mounts lubed fastener - 18-20 in-lbs dry fastener - 35 in-lbs Is it safe to assume that most or all of the screws we deal with have some oil/loctite or some kind of lube on them? The dry specifications seem way too high. I went over all my guns and tightened the ring-to-base screws and stopped myself at around 45 in-lbs because it seemed like so much torque the screws would start stripping >.< I think I would be afraid to get all the way to 65 in-lbs unless I was working with steel rings and bases. The cheap $12 rings on my lever action started to make scary creaky noises so I quit at around 40 in-lbs.
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PONIESWHEE
Optics GrassHopper
Joined: January/14/2010 Location: Central NY Status: Offline Points: 28 |
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Posted: November/15/2010 at 18:06 |
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As a follow up to my previous post: I just got a TPS base and SWFA rings and cranked the ring-base screws up to 65in-lbs with no issues and no scary sounds of impending failure. Guess you get what you pay for
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supertool73
Optics God
Superstool Joined: January/03/2008 Status: Offline Points: 11814 |
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Posted: November/15/2010 at 21:03 |
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Yeah buddy. TPS is good stuff
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Lifetime warranty and excellent customer service don't mean a thing when your gun fails during a zombie attack.
"A Liberal is a person who will give away everything they don't own." |
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budperm
Optics Retard
show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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Posted: November/25/2010 at 09:00 |
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bump
Willc a moderator please pin this???
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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Rancid Coolaid
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Joined: January/19/2005 Location: United States Status: Offline Points: 9318 |
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Posted: April/20/2011 at 20:23 |
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Why is this not stickied or pinned.
Dammit!
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Freedom is something you take.
Respect is something you earn. Equality is something you whine about not being given. |
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Roy Finn
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Steiner Junkie Joined: April/05/2004 Location: United States Status: Offline Points: 4856 |
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Posted: April/20/2011 at 20:36 |
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Done deal
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darkman
Optics GrassHopper
Joined: December/26/2011 Status: Offline Points: 1 |
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Posted: December/26/2011 at 11:00 |
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Gentlemen
This has helped immeasurably. The rifle is in the vice with the base mounted. Warne had no torque values for the top of the rings. It looks like between 15-20 in lb will do the trick. Thank you very much. |
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there is no substitute for common sense...
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coyote95
Optics Master 
Joined: January/24/2009 Location: michigan Status: Offline Points: 1196 |
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Posted: January/26/2012 at 18:49 |
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http://www.talleymanufacturing.com/cgi-bin/public_controller.cgi?view=contact
bases to receiver 25in/lbs permanent mount 1" rings bottom screw 30in/lbs " " top screw 20in/lbs
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"Life is like riding a bicycle . To keep balance you must keep moving" Albert Einstein
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cheaptrick
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Joined: September/27/2004 Location: South Carolina Status: Offline Points: 20844 |
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Posted: February/22/2012 at 11:09 |
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Thanks for this great thread! I needed to know how much to torque my new Talley LW's today got on here, remembered this thread and ....viola! |
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If at first you don't secede...try..try again.
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Clark
Optics Apprentice
Joined: February/13/2004 Location: Near Seattle Status: Offline Points: 124 |
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Posted: April/20/2012 at 00:44 |
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In calculating the max torque for scope base screws, the threshold between the male and female threads failing is at 1 to 1.2 times the screw root in engagement. With that I can predict the failure threshold for various lubricants. I do not verify with destructive tests on actual rifle receivers, but with equivalent soft steel plates of the same thickness. Use Unbrako screws [180 ksi steel] If you are inclined to calculation and verification, I would suggest three levels: 1) Clean and dry 2) oil or grease 3) wax. Calibrate the toque wrench with a weight measured on a balance beam. |
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budperm
Optics Retard
show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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Posted: April/20/2012 at 12:01 |
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Man I'm keeping my hand grenade!!!
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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FireEMT5
Optics Journeyman 
Joined: September/07/2010 Location: S.E. Minnesota Status: Offline Points: 317 |
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Posted: April/20/2012 at 13:31 |
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http://swfa.com/Aadland-Triple-Lug-30mm-Rings-P50709.aspx
Rings to base - 35 inch pounds Ring cap screws - 15 inch pounds
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338LAPUASLAP
Optics Master
Scope Swapper Joined: October/17/2009 Status: Offline Points: 2591 |
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Posted: November/04/2012 at 16:08 |
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I think that this should be put into a format that Anyone can use.
If we could identify the ring type or the base type and than identify the torque specs. I personally would find great value in that and then I would hand it out to many people who ask. Right now I just refer everyone to buy a Wheeler Torque Wrench and tell them not to exceed 20 on the rings and 50 on the bases. I never knew I was so far off. Hope no one ever broke anything... fwiw |
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No one
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Urimaginaryfrnd
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Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14952 |
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Posted: March/29/2013 at 20:42 |
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Wouldn't it be nice it there was simply an industry standard.
 I can tell you that the tubes on Minox and Tasco and VORTEX are on the SOFT end of the scale and crush at less than 25 inch pounds. I suggest rings be no tighter than 18 inch pounds no matter who makes the rings. If the rings can take it but the scope tube can't you have a problem. Edited by Urimaginaryfrnd - March/24/2023 at 13:18 |
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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Rancid Coolaid
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Joined: January/19/2005 Location: United States Status: Offline Points: 9318 |
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Posted: March/30/2013 at 09:48 |
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Who shat in my thread?
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Freedom is something you take.
Respect is something you earn. Equality is something you whine about not being given. |
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avery
Optics Apprentice
Joined: March/21/2013 Location: Canada Status: Offline Points: 85 |
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Posted: April/27/2013 at 12:33 |
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leupold PRW 30mm? I didn't see on here forgive me if I missed
Thanks, |
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cheaptrick
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Joined: September/27/2004 Location: South Carolina Status: Offline Points: 20844 |
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Posted: April/29/2013 at 18:01 |
The caps? I believe about 22 inch pounds. 25 inch pounds base to action.
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If at first you don't secede...try..try again.
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jdgray
Optics GrassHopper
Joined: October/26/2012 Status: Offline Points: 28 |
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Posted: July/02/2013 at 08:20 |
Just installed a set of Farrell rings. Instructions say: 50-55in/lbs for ring to base screws 15-20in/lbs for ring cap screws Not a big difference on the base, but is different. |
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avery wrote: