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Question for FIFTY (Kirby Allen)????
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<blockquote data-quote="scott" data-source="post: 111234" data-attributes="member: 144"><p>No problem Wildcat, FiftyDriver knows more about it than I do, and I was wrong about the BC of the 142 ULD...</p><p> FiftyDriver says he has gotten 3500 fps from a 1:7 with the 142 ULD in the 257, but I would be the 9 twist would do much better....</p><p> With the 257 AM you are stuck with Ball powders, they can be somewhat temp sensitive.. meaning.... you might lose 200 fps from 60 deg to 20 deg.. I am just throwing a number... but I have heard they are temp sensitive in velocity... at 700-800 yards, it could make a differance...</p><p> Still a .700 BC bullet at 3500-3600 fps isn't going to drift much at real long range... Doping with the wind can be tricky... </p><p></p><p>Fifty is right, not a good Varmit gun, if the varmits are prarrie dogs or woodchucks, but Varmits like coyotes that are not quite as plentiful... maybe a good gun</p><p> Where I live, it would make a good Yote gun... We maybe see 2-3 Coyotes a year, heck I haven't shot at once in over 2 years...</p><p> my next gun will either be a 257 AM or probably a 6mm284 to shoot 105's for coyotes at range.</p><p></p><p>good luck</p><p>scotty</p></blockquote><p></p>
[QUOTE="scott, post: 111234, member: 144"] No problem Wildcat, FiftyDriver knows more about it than I do, and I was wrong about the BC of the 142 ULD... FiftyDriver says he has gotten 3500 fps from a 1:7 with the 142 ULD in the 257, but I would be the 9 twist would do much better.... With the 257 AM you are stuck with Ball powders, they can be somewhat temp sensitive.. meaning.... you might lose 200 fps from 60 deg to 20 deg.. I am just throwing a number... but I have heard they are temp sensitive in velocity... at 700-800 yards, it could make a differance... Still a .700 BC bullet at 3500-3600 fps isn't going to drift much at real long range... Doping with the wind can be tricky... Fifty is right, not a good Varmit gun, if the varmits are prarrie dogs or woodchucks, but Varmits like coyotes that are not quite as plentiful... maybe a good gun Where I live, it would make a good Yote gun... We maybe see 2-3 Coyotes a year, heck I haven't shot at once in over 2 years... my next gun will either be a 257 AM or probably a 6mm284 to shoot 105's for coyotes at range. good luck scotty [/QUOTE]
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