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Long Range Hunting & Shooting
Measuring scope height
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<blockquote data-quote="4xforfun" data-source="post: 618778" data-attributes="member: 9172"><p>Firguring scope height is simple math. Start with a disasembled gun/scope/rings/basses.</p><p> </p><p>First....find the diameter of your action.....ie Rem 700 is 1.35"...divide that by 2 = .68"</p><p> </p><p>Second..... figure out the diameter of your main tube on your scope and divide it by two...1" tube = .5 ....30mm tube (1.18" divide by two) =.59"</p><p> </p><p>Third, measure how tall your base/ring combo is from where it mates to the reciever to the BOTTOM of the rings where the scope tube sits. lets say it is .75"</p><p> </p><p>now total up your figures...1/2 dimater of action + 1/2 the diameter of the scope tube + ring/base height............ (.68 + .59 [30mm] + .75 = 2.02" scope height.</p><p> </p><p>It really doesn't matter which base you measure if your rings/bases are tapered unless you are ULTRA ANAL!!! If you are, then measure both of them and divide by two the get your ring/base height.</p><p> </p><p>And to the guy who said the the bullet drop is different (317.1" vs 319.1") based on scope height...HOGWASH.....bullet drop is bullet drop is bullet drop. The bullet leaves the tube and drops xxx.xxx.....the bullet does not know weather there is a scope on the gun. Now, IMPACT POINTS will be different because you are sending the bullet out on a different trajectory.</p></blockquote><p></p>
[QUOTE="4xforfun, post: 618778, member: 9172"] Firguring scope height is simple math. Start with a disasembled gun/scope/rings/basses. First....find the diameter of your action.....ie Rem 700 is 1.35"...divide that by 2 = .68" Second..... figure out the diameter of your main tube on your scope and divide it by two...1" tube = .5 ....30mm tube (1.18" divide by two) =.59" Third, measure how tall your base/ring combo is from where it mates to the reciever to the BOTTOM of the rings where the scope tube sits. lets say it is .75" now total up your figures...1/2 dimater of action + 1/2 the diameter of the scope tube + ring/base height............ (.68 + .59 [30mm] + .75 = 2.02" scope height. It really doesn't matter which base you measure if your rings/bases are tapered unless you are ULTRA ANAL!!! If you are, then measure both of them and divide by two the get your ring/base height. And to the guy who said the the bullet drop is different (317.1" vs 319.1") based on scope height...HOGWASH.....bullet drop is bullet drop is bullet drop. The bullet leaves the tube and drops xxx.xxx.....the bullet does not know weather there is a scope on the gun. Now, IMPACT POINTS will be different because you are sending the bullet out on a different trajectory. [/QUOTE]
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