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The Basics, Starting Out
Vertical stringing=optics problem?
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<blockquote data-quote="edge" data-source="post: 101156" data-attributes="member: 5030"><p>I would lean toward one of two things first:</p><p></p><p>1) a bad scope. Since you don't have a replacement let's move to item #2 </p><p></p><p>2) Scope mounting screws. I did not see how long you have had this rifle, but you did up the pressure with your loads.</p><p>I also don't know which threads this barrel has, but that DOES make a difference! </p><p></p><p>I posted this on another website for Savage muzzleloaders but the problem will be the same. If your threads are 1.120 instead of 1.055, then the dimensions will be less.</p><p></p><p><strong>Before you mount your scope ensure that the front base screw is NOT bottoming out. This causes an unbelievable amount of problems.</strong></p><p><strong></strong></p><p><strong>Here is the problem:</strong></p><p><strong></strong></p><p><strong>The Savage action is 1.30 in Diameter and the Savage Barrel threads are 1.055 O.D. IF the threads are exactly in the center of the action then the threads in the action CAN'T be more than 0.122 deep! If your front base screw extends below the base more than this amount then the screw will feel tight but it will be bottomed out and not really snug on the scope base.</strong></p><p><strong></strong></p><p><strong>The accepted method for checking for this is:</strong></p><p><strong></strong></p><p><strong>1) Without the scope base on the rifle take the screw and count how many turns it takes to bottom out;</strong></p><p><strong></strong></p><p><strong>2) Install the base and count how many turns it takes to become tight;</strong></p><p><strong></strong></p><p><strong>3) IF your answer in #2 is not AT LEAST 1/2 turn less than in #1 then your base will NOT be tight ( even though you swear that it is );</strong></p><p><strong></strong></p><p><strong>4) You will need to grind away enough of the screw to ensure that it is AT LEAST 1/2 thread short of bottoming out. ( the screw will stretch slightly when you torque it tight ).</strong></p><p></p><p>Good luck /ubbthreads/images/graemlins/wink.gif</p><p></p><p>edge.</p></blockquote><p></p>
[QUOTE="edge, post: 101156, member: 5030"] I would lean toward one of two things first: 1) a bad scope. Since you don't have a replacement let's move to item #2 2) Scope mounting screws. I did not see how long you have had this rifle, but you did up the pressure with your loads. I also don't know which threads this barrel has, but that DOES make a difference! I posted this on another website for Savage muzzleloaders but the problem will be the same. If your threads are 1.120 instead of 1.055, then the dimensions will be less. [b]Before you mount your scope ensure that the front base screw is NOT bottoming out. This causes an unbelievable amount of problems. Here is the problem: The Savage action is 1.30 in Diameter and the Savage Barrel threads are 1.055 O.D. IF the threads are exactly in the center of the action then the threads in the action CAN'T be more than 0.122 deep! If your front base screw extends below the base more than this amount then the screw will feel tight but it will be bottomed out and not really snug on the scope base. The accepted method for checking for this is: 1) Without the scope base on the rifle take the screw and count how many turns it takes to bottom out; 2) Install the base and count how many turns it takes to become tight; 3) IF your answer in #2 is not AT LEAST 1/2 turn less than in #1 then your base will NOT be tight ( even though you swear that it is ); 4) You will need to grind away enough of the screw to ensure that it is AT LEAST 1/2 thread short of bottoming out. ( the screw will stretch slightly when you torque it tight ).[/b] Good luck [img]/ubbthreads/images/graemlins/wink.gif[/img] edge. [/QUOTE]
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The Basics, Starting Out
Vertical stringing=optics problem?
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