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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Message to Shawn Carlock from DUH
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<blockquote data-quote="Shawn Carlock" data-source="post: 185403" data-attributes="member: 4"><p>DUH,</p><p> </p><p>If i was making an educated guess I would say the pressure seems a little high. If it was off .5 or .6 to high this would cause the effect you are seeing. 29.2 is almost std sea level. Calc std at 569 ft is something like 28.8 in the conditions you gave. Assuming that you were shooting over flat ground with no wind over terrain features to cause this I would check the following:</p><p>1. Your Kestrel's BAR Pres is referenced to 0' elevation giving you raw station pressure.</p><p>2. You entered the reading into the pressure at altitude box and unchecked the calc std pressure box.</p><p>3. The Exbal program seems to work very well with the 300 SMK and the BC it assigns it. I doubt there is an issue there. I'm fairly certain your not shooting 2900+ so that only leaves not getting the right info in the right location in the program or a shooting condition you just are not seeing. </p><p>4. On conditions, were you flat? Was there even the slightest head or tail wind? Was it in the morning when the temp is rising. Did you have the Kestrel out in the conditions for a while for it to settle in?</p><p>Don't you just love these guys that say long range hunting is the easy way out?</p><p> </p><p>Also glad you like the rifle. Pretty tough not to like a rifle that just about shoots itself.</p></blockquote><p></p>
[QUOTE="Shawn Carlock, post: 185403, member: 4"] DUH, If i was making an educated guess I would say the pressure seems a little high. If it was off .5 or .6 to high this would cause the effect you are seeing. 29.2 is almost std sea level. Calc std at 569 ft is something like 28.8 in the conditions you gave. Assuming that you were shooting over flat ground with no wind over terrain features to cause this I would check the following: 1. Your Kestrel's BAR Pres is referenced to 0' elevation giving you raw station pressure. 2. You entered the reading into the pressure at altitude box and unchecked the calc std pressure box. 3. The Exbal program seems to work very well with the 300 SMK and the BC it assigns it. I doubt there is an issue there. I'm fairly certain your not shooting 2900+ so that only leaves not getting the right info in the right location in the program or a shooting condition you just are not seeing. 4. On conditions, were you flat? Was there even the slightest head or tail wind? Was it in the morning when the temp is rising. Did you have the Kestrel out in the conditions for a while for it to settle in? Don't you just love these guys that say long range hunting is the easy way out? Also glad you like the rifle. Pretty tough not to like a rifle that just about shoots itself. [/QUOTE]
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Message to Shawn Carlock from DUH
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