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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cold bore shot vs dirty bore shot
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<blockquote data-quote="Wachsmann" data-source="post: 716395" data-attributes="member: 10429"><p>Since I posted the first question to this thread I have tried a few things. I have left the rifle seasoned with one shot through it after cleaning at the range. went back out to see how it would do. The result with a CB seasoned barrel shot; center, right on the money. I cleaned the rifle and oiled and then dry patched and one more run of a dry bore snake back through the barrel. It was a little better than what was my first result of cleaning, light oil and a few dry patches. I think the ideal of having some slight amount of oil in the barrel was causing the biggest difference. Resentally I have change powder load to Hybrid100 loading 49gr from the hodgens web sight has give me about 40fps faster and I am not overlaoding from what was spec for the 4831sc. I was running 51.5grns of the 4831. I really like the 49grns of Hybrid 100V because it is very consistant and crnograph very well. I was shooting at about 6800ft and it was 56 degrees. My ES was right at 10ft/sec on the load for 10 test rounds. So lets just say I love the load. The rest of the loads I banged steel out to 600yrds keeping Sub MOA groups of 3 shots on the steal at the different ranges. starting at 200 out to 600. I was using the drrop data from my 4831 load at 2800fps load. At 600 yrds I was shhoting high but still keeping it on the steal in a sub minute group. Really thinking about this I started knoticing the difference at 400yrds. My impact height was starting to hit a little high dut the 40fps faster volicity in the new load. But back to the original issue with the CB low shot; I think was just my own cleaning issue. I was leaving to much oil in the barrel I guess and we are not talking about the barrel being soaked but I dont think I was running enough dry patches through it. But make a long story short the best groups comes after one seasoning shot down the barrel. So for hunting season I cleaned the rifle and then shot it once before placing it in its case before the season opener. gun)</p></blockquote><p></p>
[QUOTE="Wachsmann, post: 716395, member: 10429"] Since I posted the first question to this thread I have tried a few things. I have left the rifle seasoned with one shot through it after cleaning at the range. went back out to see how it would do. The result with a CB seasoned barrel shot; center, right on the money. I cleaned the rifle and oiled and then dry patched and one more run of a dry bore snake back through the barrel. It was a little better than what was my first result of cleaning, light oil and a few dry patches. I think the ideal of having some slight amount of oil in the barrel was causing the biggest difference. Resentally I have change powder load to Hybrid100 loading 49gr from the hodgens web sight has give me about 40fps faster and I am not overlaoding from what was spec for the 4831sc. I was running 51.5grns of the 4831. I really like the 49grns of Hybrid 100V because it is very consistant and crnograph very well. I was shooting at about 6800ft and it was 56 degrees. My ES was right at 10ft/sec on the load for 10 test rounds. So lets just say I love the load. The rest of the loads I banged steel out to 600yrds keeping Sub MOA groups of 3 shots on the steal at the different ranges. starting at 200 out to 600. I was using the drrop data from my 4831 load at 2800fps load. At 600 yrds I was shhoting high but still keeping it on the steal in a sub minute group. Really thinking about this I started knoticing the difference at 400yrds. My impact height was starting to hit a little high dut the 40fps faster volicity in the new load. But back to the original issue with the CB low shot; I think was just my own cleaning issue. I was leaving to much oil in the barrel I guess and we are not talking about the barrel being soaked but I dont think I was running enough dry patches through it. But make a long story short the best groups comes after one seasoning shot down the barrel. So for hunting season I cleaned the rifle and then shot it once before placing it in its case before the season opener. gun) [/QUOTE]
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Cold bore shot vs dirty bore shot
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