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Range Report on 10/22 with Volquartsen bbl and Aguila SSS Bullets
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Old 03-30-2005, 03:35 PM
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Default Range Report on 10/22 with Volquartsen bbl and Aguila SSS Bullets

Some time ago, I purchased an after-market bbl for my Ruger 10/22. This barrel made by Volquartsen has a faster-than-normal twist of 1:10 (normal twist for .22 RF is 1:16). I got the bbl so that I could shoot Aguila's 60 grain SSS ammo.

I shot a group at 25 yards, and another at 100. Here are the results.

Average velocity=825 f/s. St. Dev.=8.4 f/s

This is a real "thumper" of a bullet, and I'm happy to see the bbl produce good accuracy and no key-holing. I bought this rifle about 30 years ago, and this new bbl is the only modification I have made other than adding a 'scope. If you look at the groups, you will notice that there is a distinct lateral (windage) spread. I attribute this to either me 'pulling' the trigger, or just simply a tough 'factory' trigger. I wasn't 'pulling' the trigger. At any rate, this level of precision is satisfactory for my purposes.

Paul
Attached Images
File Type: jpg 10-22 3-25-05 25yds.JPG (50.5 KB, 169 views)
File Type: jpg 10-22 3-25-05 25yds eqns.JPG (55.2 KB, 150 views)
File Type: jpg 10-22 3-25-05 100yds.JPG (42.5 KB, 159 views)
File Type: jpg 10-22 3-25-05 100yds eqns.JPG (54.1 KB, 143 views)
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10/22, range report, sss, subsonic .22 rf


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