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Long Range Hunting & Shooting
Accuracy during barrel break in
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<blockquote data-quote="LDHunter" data-source="post: 1415948" data-attributes="member: 105"><p>If you're getting wide dispersion during break in then you probably have a bedding problem. I've found that just because you're free floated back to the action doesn't mean much at all and sometimes it made groups worse!</p><p></p><p>When I finally started having my rifles professionally bedded by an advertiser on this website (Whidden Gunworks) all of a sudden shot dispersion almost completely disappeared both during break in and later including with factory ammo (I normally use Nosler factory ammo when I use factory ammo at all).</p><p></p><p>Even with rifles with aluminum bedding blocks and experimenting with different torque specs I never was happy until they were professionally skim bedded over the aluminum bedding blocks.</p><p></p><p>In my experience over the last year since having all my rifles bedded groups over 1.25" during break in at a hundred yards were rare and usually my fault.</p><p></p><p>I have a 308 LTR that started opening up groups after about 120 rounds and some work with Iosso brought them right back to 1/2" reliably at 100 and under 1.5" at 300. That rifle was the one that originally convinced me to try skim bedding on top of the aluminum bedding blocks. I had taken it to John Whidden with 3" horizontal dispersion and he skim bedded it and within 10 rounds and a good cleaning I shot my first 1/4" group at 100 with it.</p><p></p><p>I also found that when I started following Len's recommendations for barrel cleaning my accuracy improved. It's the first post in the thread below and includes barrel break-in advice. Also see the part about carbon fouling. That was one of the keys that kept me in the one hole grouping range.</p><p><a href="https://www.longrangehunting.com/threads/new-barrel-break-in-and-cleaning-methods.160450/" target="_blank">https://www.longrangehunting.com/threads/new-barrel-break-in-and-cleaning-methods.160450/</a></p></blockquote><p></p>
[QUOTE="LDHunter, post: 1415948, member: 105"] If you're getting wide dispersion during break in then you probably have a bedding problem. I've found that just because you're free floated back to the action doesn't mean much at all and sometimes it made groups worse! When I finally started having my rifles professionally bedded by an advertiser on this website (Whidden Gunworks) all of a sudden shot dispersion almost completely disappeared both during break in and later including with factory ammo (I normally use Nosler factory ammo when I use factory ammo at all). Even with rifles with aluminum bedding blocks and experimenting with different torque specs I never was happy until they were professionally skim bedded over the aluminum bedding blocks. In my experience over the last year since having all my rifles bedded groups over 1.25" during break in at a hundred yards were rare and usually my fault. I have a 308 LTR that started opening up groups after about 120 rounds and some work with Iosso brought them right back to 1/2" reliably at 100 and under 1.5" at 300. That rifle was the one that originally convinced me to try skim bedding on top of the aluminum bedding blocks. I had taken it to John Whidden with 3" horizontal dispersion and he skim bedded it and within 10 rounds and a good cleaning I shot my first 1/4" group at 100 with it. I also found that when I started following Len's recommendations for barrel cleaning my accuracy improved. It's the first post in the thread below and includes barrel break-in advice. Also see the part about carbon fouling. That was one of the keys that kept me in the one hole grouping range. [URL]https://www.longrangehunting.com/threads/new-barrel-break-in-and-cleaning-methods.160450/[/URL] [/QUOTE]
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