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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
true bc of barnes 180 tsx?
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<blockquote data-quote="rufous" data-source="post: 35381" data-attributes="member: 122"><p>I went out today to shoot at 1000 yards (this was the first time I had ever shot at 1000 yards). I was using my sporter weight (9.3# with Leupold 2.5-8X scope) big game rifle chambered to 300 Win Mag. This time I brought my chronograph. Muzzle velocity was 3085 fps (range was 3073 to 3090 fps). It took 95 clicks of elevation (from an initial zero at 250 yards) to rezero for 1000 yards. This equates to a B.C. of 0.47. I also dialed in 10 clicks of windage to account for the 4mph breeze and fired an 8" group of 3 shots. The elevation was 3225 feet and the temperature was 33 degrees F. Pressure was 26.78". I do not know what the humidity was. The bullet was the Barnes 180 TSX. Rufous.</p><p></p><p>[ 12-03-2004: Message edited by: rufous ]</p></blockquote><p></p>
[QUOTE="rufous, post: 35381, member: 122"] I went out today to shoot at 1000 yards (this was the first time I had ever shot at 1000 yards). I was using my sporter weight (9.3# with Leupold 2.5-8X scope) big game rifle chambered to 300 Win Mag. This time I brought my chronograph. Muzzle velocity was 3085 fps (range was 3073 to 3090 fps). It took 95 clicks of elevation (from an initial zero at 250 yards) to rezero for 1000 yards. This equates to a B.C. of 0.47. I also dialed in 10 clicks of windage to account for the 4mph breeze and fired an 8" group of 3 shots. The elevation was 3225 feet and the temperature was 33 degrees F. Pressure was 26.78". I do not know what the humidity was. The bullet was the Barnes 180 TSX. Rufous. [ 12-03-2004: Message edited by: rufous ] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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true bc of barnes 180 tsx?
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