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Hunting
Long Range Hunting & Shooting
Lost 100 fps after 550 rounds
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<blockquote data-quote="Mc Fraser" data-source="post: 2930753" data-attributes="member: 106529"><p>Yes. I live in Canada; the rifle was shot from -13 to 95F and anything in between. I keep the ammo in my chest pocket to avoid big temperature swings. I recorded the MV in different temperatures from -10 to about 90F; the MV variance was so small that I didn't include it in my ballistic calculator. Honestly, I cant remember what it was, but I remember I was pleasantly surprised by the temp stability. </p><p></p><p></p><p></p><p>Yes. ISSO bore paste. I only started using it last year, and so far, I have cleaned the barrel 3 times with it and used it sparingly with less than 10 strokes each clean.</p><p></p><p></p><p></p><p>I won't be able to get the original chrono. I will test the temperature now that winter is coming in Canada. </p><p></p><p></p><p></p><p>No. I will try another lot. </p><p></p><p></p><p></p><p>Interesting, I sure hope it is the throat and not the bore paste. I will do another ladder test. </p><p></p><p></p><p></p><p>Not every time, just at the end of the hunting season and if I shoot 50+ at the range. I use ISSO bore paste. I only started using it last year, and so far, I have cleaned the barrel 3 times with it and used it sparingly with less than 10 strokes each clean.</p><p>Sounds like the Smith should be able to determine if the throat is eroded.</p></blockquote><p></p>
[QUOTE="Mc Fraser, post: 2930753, member: 106529"] Yes. I live in Canada; the rifle was shot from -13 to 95F and anything in between. I keep the ammo in my chest pocket to avoid big temperature swings. I recorded the MV in different temperatures from -10 to about 90F; the MV variance was so small that I didn't include it in my ballistic calculator. Honestly, I cant remember what it was, but I remember I was pleasantly surprised by the temp stability. Yes. ISSO bore paste. I only started using it last year, and so far, I have cleaned the barrel 3 times with it and used it sparingly with less than 10 strokes each clean. I won't be able to get the original chrono. I will test the temperature now that winter is coming in Canada. No. I will try another lot. Interesting, I sure hope it is the throat and not the bore paste. I will do another ladder test. Not every time, just at the end of the hunting season and if I shoot 50+ at the range. I use ISSO bore paste. I only started using it last year, and so far, I have cleaned the barrel 3 times with it and used it sparingly with less than 10 strokes each clean. Sounds like the Smith should be able to determine if the throat is eroded. [/QUOTE]
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Lost 100 fps after 550 rounds
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