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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
MOA Ranging Formula
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<blockquote data-quote="7magcreedmoor" data-source="post: 950456" data-attributes="member: 48559"><p>I have not handled the HST, but have both the SFP and FFP HSLRs, and have found the reticle patterns in both to be very close to spec when measured against a test target I created set at 100 yards (laser confirmed). If your rangefinder is on and that 800 yards is a good number, and your mag setting was tight on 16x, then is it possible that your rifle wasn't quite solid enough to get a good visual? 800 yards is pushing it for reticle ranging accuracy even with very high end resolution, and the math indicates that IF the visual measurement had been 4.29 MOA ( kinda hard to discriminate 4 from 4.29 when the hash marks are 2 MOA apart), that would have given you your 800 yards. Parallax can also mess you up as your eye looks away from optical center when trying to bracket the target. The longer the distance, the more the variables start to pile up against you- Long Live the Laser!</p></blockquote><p></p>
[QUOTE="7magcreedmoor, post: 950456, member: 48559"] I have not handled the HST, but have both the SFP and FFP HSLRs, and have found the reticle patterns in both to be very close to spec when measured against a test target I created set at 100 yards (laser confirmed). If your rangefinder is on and that 800 yards is a good number, and your mag setting was tight on 16x, then is it possible that your rifle wasn't quite solid enough to get a good visual? 800 yards is pushing it for reticle ranging accuracy even with very high end resolution, and the math indicates that IF the visual measurement had been 4.29 MOA ( kinda hard to discriminate 4 from 4.29 when the hash marks are 2 MOA apart), that would have given you your 800 yards. Parallax can also mess you up as your eye looks away from optical center when trying to bracket the target. The longer the distance, the more the variables start to pile up against you- Long Live the Laser! [/QUOTE]
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MOA Ranging Formula
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