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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How accurate is Exbal for calculating velocity?
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<blockquote data-quote="Broz" data-source="post: 427561" data-attributes="member: 7503"><p>I would guess that if you have corrected the program at 660 yards accuratly you will be on with it at 900. However I feel it is best to do your trajectory validation at the farthest disance you can as long as the conditions are good and the rifle will hold under 1 moa. The tighter it will group the better the drop data will be. The other thing to check is to make sure ou have input the correct BC for the bullet, proper scope height and varified when you crank your scope up it is giving you the proper elevation. For example shoot a shot at 100 yards then crank it up 20 moa and shoot again using the same point of aim. Your second shot should land 20.94 inches above the first shot.</p><p> </p><p>Also, this happened to me once, check to make sure your exbal program never got switched to meters. Some how once I accidently bumped and checked the meter box..<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p><p> </p><p>Jeff</p></blockquote><p></p>
[QUOTE="Broz, post: 427561, member: 7503"] I would guess that if you have corrected the program at 660 yards accuratly you will be on with it at 900. However I feel it is best to do your trajectory validation at the farthest disance you can as long as the conditions are good and the rifle will hold under 1 moa. The tighter it will group the better the drop data will be. The other thing to check is to make sure ou have input the correct BC for the bullet, proper scope height and varified when you crank your scope up it is giving you the proper elevation. For example shoot a shot at 100 yards then crank it up 20 moa and shoot again using the same point of aim. Your second shot should land 20.94 inches above the first shot. Also, this happened to me once, check to make sure your exbal program never got switched to meters. Some how once I accidently bumped and checked the meter box..:rolleyes: Jeff [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How accurate is Exbal for calculating velocity?
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