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The Range
Gear Talk
bore sight
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<blockquote data-quote="Rustygun" data-source="post: 1486852" data-attributes="member: 4711"><p>I use one of these: <a href="http://www.opticsplanet.net/bushnell-magnetic-boresighter-740001c.html" target="_blank">http://www.opticsplanet.net/bushnell-magnetic-boresighter-740001c.html</a>. Wife bought it for me for Christmas, she is the greatest.</p><p></p><p>Works great, you just change the little bushing on the end to the size appropriate to the caliber of your gun and insert it into the end of your barrel. I put up a target with 1" squares across my garage and adjust the crosshairs about 1.5" above the laser dot. </p><p></p><p>This will hold off vary with the trajectory of the bullets you are shooting. I measured the distance between the center of my scope and the center of the bore and calculated that at 20 feet the bullet would be about 1.5 below the crosshairs. When I took the 7mm mag to the range I was a few inches off dead center at 100 yards. </p><p></p><p>Followed up with a few rounds to fine tune and at 200 yards I was shooting patterns as good as my old eyes allow.</p><p></p><p>I have used it on several scope changes on the AR (Eotech, & even BUIS) and saved a lot of ammo.</p></blockquote><p></p>
[QUOTE="Rustygun, post: 1486852, member: 4711"] I use one of these: [url]http://www.opticsplanet.net/bushnell-magnetic-boresighter-740001c.html[/url]. Wife bought it for me for Christmas, she is the greatest. Works great, you just change the little bushing on the end to the size appropriate to the caliber of your gun and insert it into the end of your barrel. I put up a target with 1" squares across my garage and adjust the crosshairs about 1.5" above the laser dot. This will hold off vary with the trajectory of the bullets you are shooting. I measured the distance between the center of my scope and the center of the bore and calculated that at 20 feet the bullet would be about 1.5 below the crosshairs. When I took the 7mm mag to the range I was a few inches off dead center at 100 yards. Followed up with a few rounds to fine tune and at 200 yards I was shooting patterns as good as my old eyes allow. I have used it on several scope changes on the AR (Eotech, & even BUIS) and saved a lot of ammo. [/QUOTE]
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