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<blockquote data-quote="Dr. Vette" data-source="post: 415973" data-attributes="member: 22335"><p>I use this boresighter:</p><p> </p><p><a href="http://www.midwayusa.com/viewproduct/?productnumber=332264&utm_source=froogle&utm_medium=free&utm_campaign=657" target="_blank">Site-Lite SL-100 Mag Laser Boresighter with SRL-100 Rifle Scope Reticle Leveler - MidwayUSA</a></p><p> </p><p>I also use this:</p><p><a href="http://www.brownells.com/.aspx/pid=6097/Product/EXD_ENGINEERING_VERTICAL_RETICLE_INSTRUMENT" target="_blank">EXD ENGINEERING : EXD ENGINEERING VERTICAL RETICLE INSTRUMENT - World's Largest Supplier of Firearm Accessories, Gun Parts and Gunsmithing Tools</a></p><p> </p><p>before hand so that I know my scope is over my bore, also using a bullet level on top of the turret to be sure the scope is level. Once I know that the scope is exactly over the bore and the scope (and therefore crosshairs) is level, I get to work. Some people also use a "hanging string" to see if their crosshairs are correct; either way works.</p><p> </p><p>You can use a 25 yard mark, but I don't.</p><p>The garage door across the street is 100 yards away. I use this program: <a href="http://www.handloads.com/calc/" target="_blank">Handloads.Com Ballistic Calculator</a> to check how much my bullet is going to drop by 100 yards. As an example if I want the bullet to hit 2 inches high at 100 yards, and it's going to drop 2 inches by 100 yards, then I want the laser dot to show about 4 inches above the crosshairs when I project it on a 100 yard object.</p><p> </p><p>Doing this I can get very, very close. Your horizontal alignment will probably be exactly correct but your vertical may vary a bit. This system has worked for me for several rifles in the past year. "YMMV"</p></blockquote><p></p>
[QUOTE="Dr. Vette, post: 415973, member: 22335"] I use this boresighter: [URL="http://www.midwayusa.com/viewproduct/?productnumber=332264&utm_source=froogle&utm_medium=free&utm_campaign=657"]Site-Lite SL-100 Mag Laser Boresighter with SRL-100 Rifle Scope Reticle Leveler - MidwayUSA[/URL] I also use this: [URL="http://www.brownells.com/.aspx/pid=6097/Product/EXD_ENGINEERING_VERTICAL_RETICLE_INSTRUMENT"]EXD ENGINEERING : EXD ENGINEERING VERTICAL RETICLE INSTRUMENT - World's Largest Supplier of Firearm Accessories, Gun Parts and Gunsmithing Tools[/URL] before hand so that I know my scope is over my bore, also using a bullet level on top of the turret to be sure the scope is level. Once I know that the scope is exactly over the bore and the scope (and therefore crosshairs) is level, I get to work. Some people also use a "hanging string" to see if their crosshairs are correct; either way works. You can use a 25 yard mark, but I don't. The garage door across the street is 100 yards away. I use this program: [URL="http://www.handloads.com/calc/"]Handloads.Com Ballistic Calculator[/URL] to check how much my bullet is going to drop by 100 yards. As an example if I want the bullet to hit 2 inches high at 100 yards, and it's going to drop 2 inches by 100 yards, then I want the laser dot to show about 4 inches above the crosshairs when I project it on a 100 yard object. Doing this I can get very, very close. Your horizontal alignment will probably be exactly correct but your vertical may vary a bit. This system has worked for me for several rifles in the past year. "YMMV" [/QUOTE]
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