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Reloads for Ruger Gunsite Scout .308

This is a discussion on Reloads for Ruger Gunsite Scout .308 within the Reloading forums, part of the Firearm Forum category; Hi all, I have just begun reloading for my new 18" Ruger Scout stainless steel. I'm currently using Hornady A-max 168gr on 43gr of ADI ...


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Old February 2nd, 2017, 02:17 AM   #1
 
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Reloads for Ruger Gunsite Scout .308

Hi all,

I have just begun reloading for my new 18" Ruger Scout stainless steel.

I'm currently using Hornady A-max 168gr on 43gr of ADI AR2206H (BLC-2 equivalent) with an OAL of 2.8660.

Unfortunately my accuracy seems to be below average, >2 inch groups at 100m. I have no problems shooting much better than this with any other rifle I use.

My reason for using an OAL of 2.8660 is because that seems to be about the max length I can fit in my magazines. I'm doing this based on the assumption that the closer I can get my projectiles to the lands, the better. Is this correct? I have also just purchased an Alpha Industries Mag to gain more room for OAL, among other reasons.

From the looks of my setup/info, is there anything that anyone might be able to see that could be done to help my accuracy? I feel that I should be able to do better.

Any help is really appreciated.

P.S. The only other thing I can think of that may be affecting my accuracy is the way I have my scope set up. It's an 1.5-4x28 Leupold IER Scout Scope mounted on the picatinny rail, with Leupold rings. However, I have mounted it as far rearward as possible (towards the eye, not away). Is this a bad thing at all? The eye relief seems to work best there for me.



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Old February 2nd, 2017, 04:54 AM   #2
 
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I shoot and reload a lot of .308 in M77 tangs, MKII's and one Hawkeye. I have not shot and I do not own a Scout. I suggest getting an RCBS precision micrometer, which can measure seated bullet distance from touching the lands of the rifling and also shoulder position after resizing which allows one to minimize overworking the brass and allows adjusting brass length to match chamber for optimum headspacing custom to your gun.

Through years of experimenting with bullet distance to lands from .010" to .100" I have settled in on the sweet spot for my guns and bullets at .020" to .025" works best for accuracy. I have never had an issue with the sweet spot with any bullet being too long for the magazine. Moving the bullet out to maximum length of the magazine without this measurement runs the risk of forcefully touching the lands with the bullet, particularly with a blunt round point or flat point bullet.

This bullet distance to lands is specific for ONE GUN ONLY, as different guns vary quite a bit. Same rule applies for how much to resize the brass. I try to set back the shoulder .001" for any specific gun, as each gun varies in chamber size.

The folks in the reloading forum could probably add more info on this.

Regnitteo

Last edited by Regnitteo; February 2nd, 2017 at 04:59 AM.
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Old February 2nd, 2017, 07:36 AM   #3
 
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OAL to fit in the magazine is "usually" way short of the lands, so I would not worry about about that issue.

I am not familiar with the powder you are using, but you can work up loads slowly (.3gr. -.5gr.) while continually checking for pressure signs below max.

The powder you are using is faster than most .308 Win. recipes. Maybe try a little slower powder such as H4895, Varget or Reloader-15. The shorter 18" barrel may tend to like the faster powders, but ADI AR2206H (BLC-2 equivalent) is really on the extreme fast end for this cartridge.

The powder mfgs online data is very easy to use.

Last edited by deepwater; February 2nd, 2017 at 07:44 AM.
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Old February 2nd, 2017, 12:32 PM   #4
 
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Thanks for the replies.

@Regnitteo Thanks, I'll definitely try reloading as close as I can to .20-.25 of the lands and see how that goes. My methods of measuring this so far have been less than ideal so I'll look into that precision micrometer too. I think this could be very handy when the new magazines arrive. At the moment I've been placing a projectile in some spent brass, carefully chambering and then measuring with calipers.

@deepwater Thanks mate. I purchased some of ADI's varget equivalent, AR2208, to try also. Considering your info, I think I'll switch to this for now as varget seems to be a well proven powder for 308s and I'm happy to eliminate as many variables as I can.

I'll load up some new rounds to try everything mentioned here and i'll come back and let you know how it goes. Thanks for the info thus far, it's really appreciated.
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Old February 2nd, 2017, 02:34 PM   #5
 
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Quote:
Originally Posted by Anomie View Post

P.S. The only other thing I can think of that may be affecting my accuracy is the way I have my scope set up. It's an 1.5-4x28 Leupold IER Scout Scope mounted on the picatinny rail, with Leupold rings. However, I have mounted it as far rearward as possible (towards the eye, not away). Is this a bad thing at all? The eye relief seems to work best there for me.
For load development throw a 3-9x40 on it with the rail removed if needed. The 1-4 scout scope is made for quick hits like on steel or animals, not tight groups on paper.
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Old February 2nd, 2017, 02:45 PM   #6
 
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Originally Posted by GSR Fan View Post
For load development throw a 3-9x40 on it with the rail removed if needed. The 1-4 scout scope is made for quick hits like on steel or animals, not tight groups on paper.
Fair call, unfortunately this isn't something I have access to right now. Do you think that doing my groupings at 50m, rather than 100m could be a better option until such time as I do have a more appropriate scope for load development?
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Old February 3rd, 2017, 04:12 AM   #7
 
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@Regnitteo Thanks, I'll definitely try reloading as close as I can to .20-.25 of the lands and see how that goes.

Just to be sure, I recommended .020" to .025" back from the lands
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Old February 3rd, 2017, 06:28 AM   #8
 
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Originally Posted by Regnitteo View Post
Just to be sure, I recommended .020" to .025" back from the lands
Ack, typo haha. Thanks.
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