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Torque Specs!

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/27/2009 at 09:48
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Several of the regulars, me included, frequently get questions on torque specifications for bases and rings.  The purpose of this thread is to have one central location that lists as many brand- and model-specific torque specs as possible.

This will be something of a "self-policed" thread, so please provide a link to the source when listing the base and/or ring and their manufacturer-recommended torque specification.

All torques are in "in/lbs" and that is NOT THE SAME as ft/lbs!

And to begin:

Badger Ordinance
http://www.badgerordnance.com/folders/downloads/3/Mounting%20rings%20and%20bases.pdf
rail to receiver: 15in/lbs
rings to rail: 65in/lbs
upper ring half to lower ring half: 15in/lbs



Seekins
http://www.seekinsprecision.com/index_p.php?p=rails
rail to receiver: 15in/lbs
http://www.seekinsprecision.com/index_p.php?p=rings
rings to rail (clamp screws): 55in/lbs
top ring half to bottom ring half: 15in/lbs

Talley light-weight allow scope mounts
(specs not listen online, I called, he said it was OK to post these, call to verify if you wish)
base to receiver:20-25in/lbs
ring halves:15-20in/lbs


Warne
(please verify this! I called and was told all screws and bolts are 25in/lbs)
ring halves: 25in/lbs
rings to rail: 25in/lbs



SWFA SSALT
http://www.opticstalk.com/forum_posts.asp?TID=18199&PN=2
(As per Chris Farris II's post, second page, first post)
base to rail: 40in/lbs
ring halves: 18 in/lbs

LaRue Tactical LT-104 QD SPR mount
ring halves: 35in-pounds.
(Verified with a call to Tech Serv, asked them to be sure, talked with 2 people, 35 in-pounds.)

Feel free to post additional specs, this is, by no means, a conclusive list!
Yet.








Edited by Rancid Coolaid - March/30/2010 at 16:28
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/17/2009 at 09:39
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Wow, you ladies really left me hanging on this one: no specs posted.

(I needed the specs today on the SWFA rings.)
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/17/2009 at 16:34
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Good info R/C, should help alot of people out.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/18/2009 at 01:46
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Warne Torque Wrench for Scope Mount Torx T-15   -- 

25 in lb  RING OR BASE


Warne 25in/lb T-15 Torque Wrench Warne 25in/lb T-15 Torque Wrench
Stock # - TW1
$21.95 


Edited by Urimaginaryfrnd - March/29/2013 at 20:53
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/18/2009 at 07:01
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  Here are some Leupold specs (ALL in inch pounds!):
 
    MK IV rings =  65
    windage srews = 42
    Rifleman ring keeper = 14 (+ or - 2)
    base screws = 15 max
    8/40 ring screws = 20 max
    torx screws: (type in "torx screw torque specs" and go to #9)


Edited by 300S&W - November/18/2009 at 08:13
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/19/2009 at 10:22
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The tactical Warne rings to base is 65 inch pounds.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/19/2009 at 12:09
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Thanks for posting RC , we have some stores here that do free mounting and bore sighting so I wind up taking my tool with me to the range to help fix scopes. I have seen scopes moving in the rings and rotating in them. It will help to show beginning shooters something printed on how to and why.  I think some people that are learning to shoot get discouraged and quit when a badly mounted scope keeps changing the point of impact and they blame themselves or the rifle or scope etc.
Duce  Big Smile
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: February/12/2010 at 17:39
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Anyone know what Burris recommends for the xtreme 30mm rings?  or the SS rings for that fact they are close to the same thing, and not the ssalt mentioned above
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: February/19/2010 at 13:02
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Originally posted by SVT_Tactical SVT_Tactical wrote:

Anyone know what Burris recommends for the xtreme 30mm rings?  or the SS rings for that fact they are close to the same thing, and not the ssalt mentioned above
Can't say for sure about 30mm , but the 1 inch are as follows per the package insert.
 
Upper Ring Halves
   T15 Driver - 20 in/lbs
Side Attach Nut
   1/2" Hex - 65 to 100 in/lbs
 
Hope this helps.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: February/19/2010 at 13:07
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same for the 30mm came with the package, didnt know if it was coming with instructions was being like a boyscout

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: February/20/2010 at 07:11
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Ken Farrell products are as follows:
 
Rings torqued to base is 55-65 inch pounds
 
Ring tops torqued 15-20 inch pounds
 
Base screws: Front screw 20-25 inch pounds, all other base screws: 25-30 inch pounds
 
Also, people should realize the importance of "bedding" the base to the action, so as not to stress the action, or the scope. I have never had to lap any Farrell rings because his tolerances are second to none. I have never had 1 ring mark, on any scope that was removed from Farrell rings while using his base also. All good !
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: February/27/2010 at 16:23
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www.tpsproducts.com  ringbases to base 65in/lbs
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2010 at 17:45
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Talley Quick-Detachable System - Steel Rings

No specs supplied with product, but available through Talley:

Talley does not list the torque specifications for their rings on their web site or in the printed matter that accompanies the rings.  I wanted to know what the torque specifications were for the Talley Quick-Detachable Scope Rings made of steel in case they are different that for the lightweight rings.  Called Talley Manufacturing today at  (803) 854-5700 and spoke with Gary, who was very helpful.


Torque on bases may vary based on firearm, IMHO:

I suspect that the torque specification for the bases may vary based on the material from which the weapon's receiver is made, the screw diameter and thread pitch, etc., so I defer to the firearm manufacturer for this information, though Talley may have useful suggestions that differ from my opinion; I did not ask. 


Torque specifications for Tally Quick Detachable Rings in Steel with lever:

- Two screws at the bottom of the rings themselves (not the bases but the ones that hold the 2 sides of the rings together at the bottom, under the plate that lies between the quick detachable lever and the ring base: 25-30 inch pounds

- Two screws at the top of the rings (these hold the 2 sides of the rings together at the top): 20 inch pounds

- Quick detachable level: Finger or hand tight.  For reference, if using screw, 35 inch pounds.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/22/2010 at 17:56
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Note that Talley instructions indicate that after the two sides of the ring are placed around the scope, the next step is to install the two bottom screws and tighten completely (to toqque spec and no gap between the rings) before any other installations steps are taken

No gap at the bottom of the ring!

I understand that not following this step is perhaps the most common cause of problems that may arise with these excellent rings.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/03/2010 at 14:56
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Anyone know the torque for the 1 piece steel base mount for Rem 700 short action made by Warne Maxima Tactical?  I have searched online all night including Warne's website and no specs are listed.  The instruction only says to firmly tighten them.  I have already installed them without the use of a torque wrench and used blue loctite.  Wondering if I should remove them and start over using a torque wrench that I just got.  I just have a feeling that it's on there too tight.  Using the L wrench it came with, I tightenned it as much as I could per instructions on other websites Badger's instruction in particular.  I then used a gunsmithing screw driver with a t-15 head to tighten it even more, turning about 1/4 turn or so.  I know it has about atleast 40 in/lbs of torque. I used the torwue wrench on it set to 35 in/lbs and watch to see if it will turn it in more and it didn't which indicates that it's over 35 lbs of torque.  SHould I leave it alone or remove it and do again using the torque wrench?  But don't know how much torque to use.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/03/2010 at 14:58
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Most bases need 15 in lbs.  35 is pretty tight.  
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/04/2010 at 21:45
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AS I indicated in an earlier post, since you are attaching to the receiver I'd refer to the rifle manufacturer for this information.  A Titanium receiver might have a different torque than a steel receiver.   I'd recommend you check with Remington.  MOst of my rifles specify 12-15 inch pounds, but in addition to receiver metal, screw size and thread pitch come into play.

I suppose that there is some risk that you may have over-torqued the screws just short of failure, which could happen at any time when hunting, etc.  Or not.

If it bothers you, take them off, discard and replace the screws, visually inspect the threads in the receiver, determine from Warne the max torque that their screws are designed for, and ask Remington the spec for their receiver.  Them rest easy and post your findings here!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/04/2010 at 21:52
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For the Dakota 76 Safari rifle, Dakota recommends that the Talley bases that Talley makes for Dakota be attached to the receiver at 12-15 inch pounds.

While it's not an optice specification, Dakota recommends that the two action screws be attached until the slotted screws are indexed, or to minimum 65 inch pounds.

With these settings in a synthetic stock with Schmidt Bender or Night Force scopes, my Dakota 76 in .375 H&H shoots the Federal 375H (300g Barnes TSX) into 1.5 inch groups at 200 yards, and 5 inch groups at 300 yards (but the rifle probably does better with a better rifle shot than I).

From: Ward Dobler [mailto:Ward@dakotaarms.com]
Sent: Friday, October 01, 2010
To: xxx
Subject: RE: Torque specs

Good morning xxx:

The guard screws in the rifle are indexed (slots line up with barrel) and not necessarily set to a torque number.  Technically we would set them at a minimum of 65 in-lbs.

The base screws should be around 12-15 in-lbs.

Hope this helps.
 
Ward Dobler | Operations Manager

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/05/2010 at 16:56
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Received an email reply from Warne.

Torque specs for all steel bases and rings is 25 inch/lbs.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/05/2010 at 16:59
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I guess that makes sense beings the torque wrench they sell for their stuff in a 25 in wrench.  

http://swfa.com/Warne-Torque-Wrench-P10114.aspx
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/04/2010 at 16:37
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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post 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
 
  • Tighten rail mount bolt to 55 inch pounds.
  • Tighten scope ring fasteners to 20 inch pounds.

The smaller screws on the precision matched rings rail mount clamp are also 55 inch pounds. I called them to verify that.


PS: Just noticed I'm not a Grasshopper anymore. Does that mean I talk too much? LOL

Edited by csacpt - November/15/2010 at 21:40
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post 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.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post 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 Big Grin
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/15/2010 at 21:03
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Yeah buddy.  TPS is good stuff  Excellent
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