Help!- confused by my target from the range today.

[Bill]

All good information!


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[JW]

All good information!


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Want me to come shoot it for ya Bill?! [emoji23][emoji23][emoji23][emoji13]


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[mavrick]

That's a 1 1/2 to 2 inch group. Might be all it will do.

[Bill]

Want me to come shoot it for ya Bill?! [emoji23][emoji23][emoji23][emoji13]


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If you're up to a trip west, you're welcome to visit!

[Ironman]

If you're up to a trip west, you're welcome to visit!

Ragin' in California?

Please video his trip.

[JW]

Ragin' in California?



Please video his trip.

If you're up to a trip west, you're welcome to visit!

Won't be the first or the last. [emoji6]


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[Bill]

You won't find or see anything weird you won't see in Austin, except being able to legally bow hunt native deer in July every year.

Except there aren't enough of us to keep them from electing who runs the asylum here.


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[JW]

You won't find or see anything weird you won't see in Austin, except being able to legally bow hunt native deer in July every year.

Except there aren't enough of us to keep them from electing who runs the asylum here.


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People just see the Urban Libs on TV and think it's all that way. That's just ignorance. Just like folks come to Austin from the East Coast and are expecting a Fort Worth Stockyard scene. And that's not what they get. Small town Cali has some fine folks. They are just outvoted by the masses just like Austin will outvote Wimberly in a Presidential Election.


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[one66stang]

If the barrel is heating and expanding and your have a stock that flexs that could be where your contact is coming from. You could be pressing the stock into touching the barrel during the shot.

[WItoTX]

1st it may very well be those core lockts. I used to love them but I got similar groups with newer batches in both my 243 and 30-06. Switched ammo and problem solved.

Not to question your shooting skills - but I've found it difficult to shoot off a bench with consistent groups under certain circumstances (bench too high, seat too low, can't position the rifle well because the bench edge is in my way). Try shooting prone - and use an often overlooked shooting technique called natural point of aim.

Get in position and on target and close your eyes. Take a deep breath and open your eyes. The crosshairs should be at 6'oclock some distance below the bullseye. Close your eyes again and exhale deeply. This time the crosshairs will be at 12o'clock some distance above the bullseye. If you aren't seeing the crosshairs track between 6-12o'clock you need to readjust your position. If prone, make sure you keep a straight line from the tip of your head all the way down your spine to where the good Lord split you.

Also concentrate on placing your cheek in contact with the rifle, exactly the same place every time.

Shoot with a neutral lung volume (deep breath, exhale, squeeze the trigger).

And remember, sometimes you just have an off day.

Not trying to be a know-it-all, just a few simple tips you may or may not already know.

I suggest this. I just bought a 7mm (Remington 700, little different beast), but I had the same issues. My thought was, use a cheap rough to get close, then dial it in with some good quality ammo.

This past weekend I switched to 165 gr Federal Premium, my shots were sub MOA, with 4 touching in one grouping. Those Core Lokts don't like my gun, best I ever got was 2" groupings at 100 yards.

I have shot all of my life, and I never really paid attention to my mechanics until this rifle. Every thing mentioned above is literally what I have focused on these past two months because I got bad groupings as well. Better quality rounds and consistency.

[Bill]

I'm hoping tightening the 2 action screws to spec (35 in-lb) helps when I can get back to the range.


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[txfireguy2003]

Another thing I found last last night on a rifle I'm working on for a buddy..... it's been discussed before, but bares repeating. I wad getting poor groups from it. Last night, while reassembling after bedding the stock, I went to remount the scope and remembered it was canted. I started to loosen the rings to remount and noticed that the front ring screws had almost zero torque on them! Everything felt tight, but unless you put a torque wrench on them, you just don't know. That scope had slid forward with only the rear ring holding it, to the point where the ring was butted up against the flare for the power ring. No more sliding, but you could see the scratches where it had moved nearly 1/4" over time, but everything felt tight. He's now going to replace his cheap rings and bases (which came with the rifle I think) to something better quality.

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[Bill]

Good point, the $99 invested in the Wheeler mounting kit with torque screwdriver is proving well spent.


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[Bill]

Here's some mechanical engineering 'trivia'. The so-called axial force is what you would measure if you put a super-thin stress gauge between the scope ring and the receiver.

The relationship between axial force (A), screw torque (T) and the screw diameter (D) is:

A= T/DxC

Where C is a constant related to how clean and friction on the screw threads. For steel-steel it's assumed as 0.2.

So, for a 6-48 screw with a diameter of 0.135",

A= 25 in-lb/ (0.135 in x 0.2)
A= 925 pounds,

x4 screws = 3,703 pounds of force is holding the scope rings to the receiver!


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[lodgepole]

Here's some mechanical engineering 'trivia'. The so-called axial force is what you would measure if you put a super-thin stress gauge between the scope ring and the receiver.

The relationship between axial force (A), screw torque (T) and the screw diameter (D) is:

A= T/DxC

Where C is a constant related to how clean and friction on the screw threads. For steel-steel it's assumed as 0.2.

So, for a 6-48 screw with a diameter of 0.135",

A= 25 in-lb/ (0.135 in x 0.2)
A= 925 pounds,

x4 screws = 3,703 pounds of force is holding the scope rings to the receiver!


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Why you got to get all technical? [emoji15]


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