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Barrel Nut Torque
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McSanchez
Washington
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June 18, 2021 - 2:20 am
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So I know this topic is a hair old but any follow up on this? I'm supposedly getting my 744 back from the CZ hospital in a few days and I have a big socket that got bonked that I cut a slit in so it fits my ewk wrench nice and toite. Putting a Burris on my 10 inch barrel and I have a spare fat wrench in my range bag. Hex to 3/8th fits perfect in the wrench. Bit of accuracy lost in the play between parts on the driver but at least it'll be consistent ish loss. 

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rwsem
SOWELA (Southwest Louisiana)

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June 18, 2021 - 6:08 am
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About 20 inch-pounds is good. As previously stated- consistency is as/ more important than torque.

Technically, the glass is always full; half liquid, half air....

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mister callan
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June 18, 2021 - 12:03 pm
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Yes I did. I also experimented with tiny changes in cylinder gap (just 1 or 2 thou).

It did not materially affect group size, but it did change mean point of impact.

I now have "witness marks" on both the shroud's front face & the barrel nut. Nothing garish, just a single scribed line across the moving parts. When they all line up its tensioned just right for me.

Matthew Quigley on handguns:

“I said I never had much use for one. Never said

I didn't know how to use it.”

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McSanchez
Washington
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June 19, 2021 - 10:00 pm
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I'm waiting for my 744 to come back from CZ and then I'll be able to sight in my 2x20 Burris for my ten inch barrel. I'm putting the ewk brake on it as well but I like being able to switch from my ten to my 2.5 and don't want to lose zero every time I swap. 

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3ric
NC
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June 20, 2021 - 12:13 am
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You will lose zero every time you swap out a different barrel length. From a ten inch barrel to a 2 1/2 inch; the group size will be the same, just lower on the page due to velocity loss.

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