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Long Range Hunting & Shooting
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<blockquote data-quote="4xforfun" data-source="post: 572927" data-attributes="member: 9172"><p>Where, exactly are the "clicks" and scope error comming into play? He is not adjusting his scope....1" high at 50, 2.25 high at 100 (instade of the predicted 2.5 high), and 3.5 high at 300 (instade of the predicted 1.5 low)....he did NOT dial his scope.....so trash that idea.</p><p> </p><p>Scope height off by 1/2 inch..... 0.05 inch difference in impact between 1.5 and 2 inche scope height at 300 yards with a 275 zero...trash that idea also.</p><p> </p><p>Being a foot or two above or below the target will not make a difference. I mean really. What would the up/down angle be?? Something like .01 degrees. Not sure about the math on that one. I punched in 10 degree angle and got an impact difference of .02 inches at 300 with a 275 zero. I say...trash that idea also.</p><p> </p><p>Now the sad part....It makes no sence...and I can not answer your delema. It all should all go as planned...exterior balistics is all math and science and can be predicted to , well, lets just say "several" decimal points to the right of the zero. Paralex could be the culpret, I supose. Set your gun up on rests/bags/bipods.....whatever, so the gun holds zero without your aid. Now, while looking through the gun, wiggle your head around and see if the cross hair "floats' around on the target. If it does, you got paralex issues. The cross hair shold be locked on the mothball no matter where your head is at ...if you can see the target and the cross hair is on target, it should be a hit. I can easily see how a paralex issue would/could put you off by 4" at 300. When I set up at the bench at a match, the FIRST thing I do is check paralex....just as I described above. I do not depend on weather or not the sight picture is in focus....I have seen scopes that can be blury and have perfectly adjusted paralex......focus that same scope in so the sight picture is clear, and POOF....paralex is way off.</p><p> </p><p>Good luck!! I hope some of this helps, and let us know what you find. I think you should retest.</p><p> </p><p>Let us know.</p><p>Tod</p></blockquote><p></p>
[QUOTE="4xforfun, post: 572927, member: 9172"] Where, exactly are the "clicks" and scope error comming into play? He is not adjusting his scope....1" high at 50, 2.25 high at 100 (instade of the predicted 2.5 high), and 3.5 high at 300 (instade of the predicted 1.5 low)....he did NOT dial his scope.....so trash that idea. Scope height off by 1/2 inch..... 0.05 inch difference in impact between 1.5 and 2 inche scope height at 300 yards with a 275 zero...trash that idea also. Being a foot or two above or below the target will not make a difference. I mean really. What would the up/down angle be?? Something like .01 degrees. Not sure about the math on that one. I punched in 10 degree angle and got an impact difference of .02 inches at 300 with a 275 zero. I say...trash that idea also. Now the sad part....It makes no sence...and I can not answer your delema. It all should all go as planned...exterior balistics is all math and science and can be predicted to , well, lets just say "several" decimal points to the right of the zero. Paralex could be the culpret, I supose. Set your gun up on rests/bags/bipods.....whatever, so the gun holds zero without your aid. Now, while looking through the gun, wiggle your head around and see if the cross hair "floats' around on the target. If it does, you got paralex issues. The cross hair shold be locked on the mothball no matter where your head is at ...if you can see the target and the cross hair is on target, it should be a hit. I can easily see how a paralex issue would/could put you off by 4" at 300. When I set up at the bench at a match, the FIRST thing I do is check paralex....just as I described above. I do not depend on weather or not the sight picture is in focus....I have seen scopes that can be blury and have perfectly adjusted paralex......focus that same scope in so the sight picture is clear, and POOF....paralex is way off. Good luck!! I hope some of this helps, and let us know what you find. I think you should retest. Let us know. Tod [/QUOTE]
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