Optima/Accura forearm screw torque spec

[Pathfinder60]

I was wondering does anyone know if there is a torque spec is on the forearm screw of these weapons ? I ask because I have read that POI can be affected by how tight this screw is. I realize that this is a flat tip screwdriver headed screw and that it in of itself would indicate no torque spec is called for but I'm going to check with you all to be sure.

 

[MrTom]

On my Accura V2 and Optima V2 pistol I simply snug up the screw. They don't have to be cranked down that hard. I've never, ever, had one come loose.

 

[Pathfinder60]

On my Accura V2 and Optima V2 pistol I simply snug up the screw. They don't have to be cranked down that hard. I've never, ever, had one come loose.

I was thinking snug then 1/4 turn but I just wanted to be sure...thx

 

[Far Sighted]

62 in-lbs torque

 

[Pathfinder60]

62 in-lbs torque

There we go...I surely do appreciate that.

 

[michiganmuzzy]

...now where did i put that dang inch/pound torque wrench...

 

[Pathfinder60]

...now where did i put that dang inch/pound torque wrench...

On that confounded bridge...

 

[MrTom]

Sure that's not inch/ounces of torque?

 

[ENCORE50A]

62 in-lbs torque

Golly that's a lot of torque. My Remington 700 action is only 45 inch pounds.

 

[Idaholewis]

62 in-lbs torque

The ONLY time i have ever heard of using that kind of Torque (60-65 Inch pounds) is if the Stock is Pillar Bedded.

 

[Idaholewis]

I permanently damaged a NON Pillar Bedded Synthetic Stock a few years ago by over Torquing it, and it only took about 35-40 inch pounds to do it.

 

[D55]

I only use 40 in, pounds on my pillared stock/action screws but 60 on the cross ring bolts.

 

[vaguru]

62 in-lbs torque

Just curious, where was that information gathered from?

 

[Far Sighted]

Just curious, where was that information gathered from?

Ok! I have extensive experience in screw torque for applications and torque specs in manufacturing processes.
Judging by the size of the screw I guessed 60 lbf*in.
Then looking at the torque tables for a 6mm screw grade 5 the recommended torque is 66 lbf*in +/- 9lbf*in

 

[michiganmuzzy]

https://ads.midwayusa.com/product/1...Uo7877rgix8ozZig5b0dsSTvmKYXXstEaAp0JEALw_wcB
...there it is...

 

[Pathfinder60]

I permanently damaged a NON Pillar Bedded Synthetic Stock a few years ago by over Torquing it, and it only took about 35-40 inch pounds to do it.

I think the 62 in lbs may be appropriate for the size of fastener but I'm concerned about it may be too much for this particular application. I think I'm going to stick with the snug then 1/4 turn. Repeatability is very important I think. Thx to all that responded!

https://ads.midwayusa.com/product/1...Uo7877rgix8ozZig5b0dsSTvmKYXXstEaAp0JEALw_wcB
...there it is...

Great find sir! That should do the trick nicely!

 

[GM54-120]

The Wheeler is made in China. The Vortex torch wrench is made by Capri tools in Taiwan. If you buy that model from Capri its over $120 with a few more accessories.
https://www.amazon.com/Vortex-Optics-Torque-Wrench-Mounting/dp/B07XPFPNMPhttps://www.amazon.com/Capri-Tools-CP21075-Certified-Screwdriver/dp/B00VPPJWLW
Look at the reviews for the Fixit Stick (also made in Taiwan). You can buy just the torque limiter at Midway
https://www.amazon.com/Fix-Sticks-All-Torque-Driver/dp/B084HQ598T
https://www.midwayusa.com/product/1021397816?pid=558269Torque Driver from 15 - 65 Inch Lb
Accepts any standard 1/4" bit
Fits into any standard 1/4" driver

 

[GM54-120]

I went with the Vortex

 

[Idaholewis]

I went with the Vortex

That Vortex is a very nice “inch pound” Torque Wrench, my Sport shop friend has one that he lets me Borrow when i need it.

I have a Wheeler Fat Wrench, it works good as well, But i like the Vortex Better

 

[GM54-120]

I got it mainly for scope mounting and because they have good customer service. Capri tool makes a fairly good product for the money but CS could be more problematic than Vortex.