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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Weatherby 270 mag can't hit the broad side of a barn
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<blockquote data-quote="AZShooter" data-source="post: 1029114" data-attributes="member: 5219"><p>If only you could borescope it......I would suggest that the barrel is still dirty. You said you cleaned it but didn't say with what products. Also you didn't mention what came out of the barrel. I would give it a good scrubbing with Rem 40X or JB bore paste followed by a copper solvent.</p><p></p><p>I was going to suggest less torque than 65 in/lb but Dr. Vette beat me to it. </p><p></p><p>Take a q-tip and drag it over the crown. If there is a tiny burr it will catch some fibers. </p><p></p><p>Is it bedded? </p><p></p><p>Here are a few other ideas:</p><p></p><p> An action screw bottoming out in blind hole</p><p>Forward screw of front base touching threads of barrel shank</p><p>torque action screws, fire a few rounds check torque again</p><p>Leupold windage style base windage side screws not tight</p><p>Poor crown, optimal way is to check with bore scope </p><p>Action screw holes in stock too small, drill larger so sides of action screw won't touch</p><p>Bolt handle touching stock</p><p>Mag box must not bind</p><p>Recoil lug making early contact in bottom of stock or bedding (rocking action) </p><p>Trigger group must not touch stock</p><p>Trigger guard must not touch trigger</p><p>Clean bore</p><p></p><p>Keep us informed on your progress</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1029114, member: 5219"] If only you could borescope it......I would suggest that the barrel is still dirty. You said you cleaned it but didn't say with what products. Also you didn't mention what came out of the barrel. I would give it a good scrubbing with Rem 40X or JB bore paste followed by a copper solvent. I was going to suggest less torque than 65 in/lb but Dr. Vette beat me to it. Take a q-tip and drag it over the crown. If there is a tiny burr it will catch some fibers. Is it bedded? Here are a few other ideas: An action screw bottoming out in blind hole Forward screw of front base touching threads of barrel shank torque action screws, fire a few rounds check torque again Leupold windage style base windage side screws not tight Poor crown, optimal way is to check with bore scope Action screw holes in stock too small, drill larger so sides of action screw won't touch Bolt handle touching stock Mag box must not bind Recoil lug making early contact in bottom of stock or bedding (rocking action) Trigger group must not touch stock Trigger guard must not touch trigger Clean bore Keep us informed on your progress [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Weatherby 270 mag can't hit the broad side of a barn
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