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Hunting
Long Range Hunting & Shooting
I almost cant bring myself to say it. Turning to the darkside (you will be shocked)
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<blockquote data-quote="Pdvdh" data-source="post: 367575" data-attributes="member: 4191"><p><strong>Re: I almost cant bring myself to say it. Turning to the darkside (you will be shocke</strong></p><p></p><p></p><p></p><p>I like one-piece aluminum bases because they notably reduce weight. I know how to calculate the differences in expansion between steel and aluminum over the approximately 5 inch spacing between the forward-most scope base screw and rearward-most base screw (which is the effective distance the two dissimilar metals would bind over), however I have never done it. I just don't expect the difference in the rate of expansion over this 5 inch distance would cause problems.</p><p></p><p>The part that's always bothered me about the concern that aluminum bases would cause a problem on a steel receiver, is that the scope tubes are also aluminum. So even if we use a steel one-piece base on a steel receiver, we're connecting them to an aluminum tubed scope that will contract and expand at a different rate than the steel receiver and steel scope base. So the same concern would apply - that the differential expansion & contraction of the scope tube versus the steel base could cause some type of problem. Yet Aluminum scopes are the norm, and Steel receivers are the norm. </p><p></p><p>So I don't personally give it any further thought. I do go with one-piece aluminum bases to get 4 scope base screws holding a single scope base, rather than two scope base screws holding two different scope bases. Four screws holding one base over a length of 5 inches is simply a more rugged mechanical connection, less apt to shift position during the thumps and bumps of the hunt.</p><p></p><p>Just my thoughts on the subject.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 367575, member: 4191"] [b]Re: I almost cant bring myself to say it. Turning to the darkside (you will be shocke[/b] I like one-piece aluminum bases because they notably reduce weight. I know how to calculate the differences in expansion between steel and aluminum over the approximately 5 inch spacing between the forward-most scope base screw and rearward-most base screw (which is the effective distance the two dissimilar metals would bind over), however I have never done it. I just don't expect the difference in the rate of expansion over this 5 inch distance would cause problems. The part that's always bothered me about the concern that aluminum bases would cause a problem on a steel receiver, is that the scope tubes are also aluminum. So even if we use a steel one-piece base on a steel receiver, we're connecting them to an aluminum tubed scope that will contract and expand at a different rate than the steel receiver and steel scope base. So the same concern would apply - that the differential expansion & contraction of the scope tube versus the steel base could cause some type of problem. Yet Aluminum scopes are the norm, and Steel receivers are the norm. So I don't personally give it any further thought. I do go with one-piece aluminum bases to get 4 scope base screws holding a single scope base, rather than two scope base screws holding two different scope bases. Four screws holding one base over a length of 5 inches is simply a more rugged mechanical connection, less apt to shift position during the thumps and bumps of the hunt. Just my thoughts on the subject. [/QUOTE]
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Long Range Hunting & Shooting
I almost cant bring myself to say it. Turning to the darkside (you will be shocked)
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