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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help with POI shift!!!
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<blockquote data-quote="LoneTraveler" data-source="post: 1642207" data-attributes="member: 77249"><p>First I would find a friend and borrow a free standing chronograph. I like to shoot every round through a chronograph when working a new rifle. Heat causing powder change, or bad lot of primers will show up quick.</p><p>If the scope is good, mounting good, torqued proper. If the action screws are torqued proper. And it is the 3rd shot is going high.</p><p></p><p>Is the stock a hand laid stock or a molded stock?</p><p></p><p>Since you state you are using a Bipod and back bag. I would suggest you have a buddy check the barrel channel relief when you get the rifle in position to fire. Shoot shell 1 and 2, load the 3rd shell and have them check the barrel channel relief again. </p><p></p><p>Could it be that as you fire shots 1 & 2 the bipod is stressing the stock and heat from the chamber softening the stock right at the edge of the bedding of the action. The bipod has a mechanical advantage of the legs length to stress and move the forearm at the action/barrel point, Or stress the end of the stock from the bipod mounting stud to the front of the barrel. </p><p>Good Luck in finding the cause and solution.</p></blockquote><p></p>
[QUOTE="LoneTraveler, post: 1642207, member: 77249"] First I would find a friend and borrow a free standing chronograph. I like to shoot every round through a chronograph when working a new rifle. Heat causing powder change, or bad lot of primers will show up quick. If the scope is good, mounting good, torqued proper. If the action screws are torqued proper. And it is the 3rd shot is going high. Is the stock a hand laid stock or a molded stock? Since you state you are using a Bipod and back bag. I would suggest you have a buddy check the barrel channel relief when you get the rifle in position to fire. Shoot shell 1 and 2, load the 3rd shell and have them check the barrel channel relief again. Could it be that as you fire shots 1 & 2 the bipod is stressing the stock and heat from the chamber softening the stock right at the edge of the bedding of the action. The bipod has a mechanical advantage of the legs length to stress and move the forearm at the action/barrel point, Or stress the end of the stock from the bipod mounting stud to the front of the barrel. Good Luck in finding the cause and solution. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help with POI shift!!!
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