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Hunting
The Basics, Starting Out
Nube questions surrounding purchase of Leupold CDS scope
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<blockquote data-quote="Buffalobob" data-source="post: 400066" data-attributes="member: 8"><p>Parallax adjustment is easily plus or minus 0.5 MOA unless you have good shooting form. 0.5 MOA is not a big deal for shooting deer out to 500 yards being as it is only 2.5 inches give or take. Nonetheless, almost everyone would get the parallax adjustment if possible because you might need to do some precision shooting around limbs or trees and have a small aiming point.</p><p></p><p>If the tube diameter is the same then your old bases and rings should be adequate. However, before you do that you need to decide how far you are going to shoot and what bullet you are going to use and then calculate the amount of elevation you are going to need to dial up. Once you know how many MOA you may need to dial, then see if you can do that with your current scope. If you cannot then you will probably need to either get a 20 MOA canted base or a set of Burris Posi align rings with inserts.</p><p></p><p>Let me try to reword the previous paragraph a different way. Not all receivers are flat. Not all scopes have adequate elevation from the center on up to get to long range distances. If either of these are the case then you need a canted base or rings with inserts.</p><p></p><p>Windage is useful when you know what bullet and at what speed you will be shooting. You should know beforehand that your rifle shoots that bullet accurately and you should be sure you are not going to get itchy and change bullets later.</p></blockquote><p></p>
[QUOTE="Buffalobob, post: 400066, member: 8"] Parallax adjustment is easily plus or minus 0.5 MOA unless you have good shooting form. 0.5 MOA is not a big deal for shooting deer out to 500 yards being as it is only 2.5 inches give or take. Nonetheless, almost everyone would get the parallax adjustment if possible because you might need to do some precision shooting around limbs or trees and have a small aiming point. If the tube diameter is the same then your old bases and rings should be adequate. However, before you do that you need to decide how far you are going to shoot and what bullet you are going to use and then calculate the amount of elevation you are going to need to dial up. Once you know how many MOA you may need to dial, then see if you can do that with your current scope. If you cannot then you will probably need to either get a 20 MOA canted base or a set of Burris Posi align rings with inserts. Let me try to reword the previous paragraph a different way. Not all receivers are flat. Not all scopes have adequate elevation from the center on up to get to long range distances. If either of these are the case then you need a canted base or rings with inserts. Windage is useful when you know what bullet and at what speed you will be shooting. You should know beforehand that your rifle shoots that bullet accurately and you should be sure you are not going to get itchy and change bullets later. [/QUOTE]
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Nube questions surrounding purchase of Leupold CDS scope
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