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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Altitude effect
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<blockquote data-quote="Bob2650" data-source="post: 1856777" data-attributes="member: 112280"><p>I have had a curious experience with altitude and NRA Bullseye Pistol competition. My home range was just east of Denver at about 5,100 feet elevation. When I went to Gunnision, the range is at something like 8,000 feet, I had to adjust the sights UP a couple clicks on the 22 pistol. It was a Hammerli 208s with ultradot scope. My 45ACP seemed to hold zero with the elevation change. I am a High Master 2650 club shooter so 2 clicks out of zero is very obvious to me at 50 yards. This is counter-intuitive and I never figured out how this could be.</p><p>A: why the 22 and not the 45?</p><p>B: Why is it backward? The 22 shoots low at high altitude.</p><p>Bob Fleming</p></blockquote><p></p>
[QUOTE="Bob2650, post: 1856777, member: 112280"] I have had a curious experience with altitude and NRA Bullseye Pistol competition. My home range was just east of Denver at about 5,100 feet elevation. When I went to Gunnision, the range is at something like 8,000 feet, I had to adjust the sights UP a couple clicks on the 22 pistol. It was a Hammerli 208s with ultradot scope. My 45ACP seemed to hold zero with the elevation change. I am a High Master 2650 club shooter so 2 clicks out of zero is very obvious to me at 50 yards. This is counter-intuitive and I never figured out how this could be. A: why the 22 and not the 45? B: Why is it backward? The 22 shoots low at high altitude. Bob Fleming [/QUOTE]
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Altitude effect
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