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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1978 Ruger M77 Changing POI , Tumbling Rounds
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<blockquote data-quote="AZShooter" data-source="post: 2339557" data-attributes="member: 5219"><p>The rifle should be checked. If it still shoots poorly then switch scopes. </p><p></p><p>A checklist for the rifle:</p><p></p><p>clean barrel</p><p></p><p>Check to see if action screws are loose. </p><p>Action screws should be torqued to an inch pound value. </p><p></p><p>Ruger M77 of that era use a blind hole for front action screw. Check front screw hole for bedding material or bottoming out. Either will have you thinking the stock is tight when it is not. This will cause point of impact shifting. </p><p></p><p>Ruger rings not seated properly in integral bases</p><p></p><p>Imperfection in crown </p><p></p><p>Screw holes in wood stock too small, drill larger so sides of action screw won't touch</p><p></p><p>Bolt handle touching stock</p><p></p><p>Mag box must not bind</p><p></p><p> trigger group must not touch stock</p><p></p><p>Trigger guard must not touch trigger</p><p></p><p>Rugers come with a fore end pressure point in barrel channel, sometimes this needs to be removed. If action isn't bedded that would also help. All my Rugers have been bedded with barrel floated. </p><p></p><p>Hope this helps</p></blockquote><p></p>
[QUOTE="AZShooter, post: 2339557, member: 5219"] The rifle should be checked. If it still shoots poorly then switch scopes. A checklist for the rifle: clean barrel Check to see if action screws are loose. Action screws should be torqued to an inch pound value. Ruger M77 of that era use a blind hole for front action screw. Check front screw hole for bedding material or bottoming out. Either will have you thinking the stock is tight when it is not. This will cause point of impact shifting. Ruger rings not seated properly in integral bases Imperfection in crown Screw holes in wood stock too small, drill larger so sides of action screw won't touch Bolt handle touching stock Mag box must not bind trigger group must not touch stock Trigger guard must not touch trigger Rugers come with a fore end pressure point in barrel channel, sometimes this needs to be removed. If action isn't bedded that would also help. All my Rugers have been bedded with barrel floated. Hope this helps [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1978 Ruger M77 Changing POI , Tumbling Rounds
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