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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm mag freebore?
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<blockquote data-quote="eshorebwhntr" data-source="post: 1902354" data-attributes="member: 17112"><p>Doesn't really change the argument about the bullet for the same cartridge. If a 28 can push a 195 to 3100 then it could run the 180 to 3250 or maybe a bit more. 10mph wind less than .3moa difference [USER=7444]@1000YDS[/USER]. </p><p></p><p>At 20mph direct cross wind 1000yds only .6moa better. </p><p></p><p>The 195 is not garbage. All things considered it's not a huge advantage inside of 1000 compared to the 180. If you build a LA gun to magazine length and throat it for the 195 you'll have a lot of bullet jammed in the case, limiting the cartridge potential. If you maximize whatever cartridge you're running you'll likely be running a single shot. </p><p></p><p></p><p></p><p>Your point about wind gusts is relevant. Heavier will respond less for sure but how much is debatable. Again, my shooting is mainly inside of 1000, especially on an animal, and I feed from a magazine. Given those criteria I think the 180 class bullets make more sense.</p><p></p><p>As I stated previously, if pure ballistic performance from a .284 projectile is the only criteria then yes...197 in a single shot, boatail seated to the neck/shoulder junction, chamber reamed for freebore to match...</p><p></p><p>That will be the best combo and the further out you go the more advantage it will gain over the 180 class bullets.</p></blockquote><p></p>
[QUOTE="eshorebwhntr, post: 1902354, member: 17112"] Doesn't really change the argument about the bullet for the same cartridge. If a 28 can push a 195 to 3100 then it could run the 180 to 3250 or maybe a bit more. 10mph wind less than .3moa difference [USER=7444]@1000YDS[/USER]. At 20mph direct cross wind 1000yds only .6moa better. The 195 is not garbage. All things considered it's not a huge advantage inside of 1000 compared to the 180. If you build a LA gun to magazine length and throat it for the 195 you'll have a lot of bullet jammed in the case, limiting the cartridge potential. If you maximize whatever cartridge you're running you'll likely be running a single shot. Your point about wind gusts is relevant. Heavier will respond less for sure but how much is debatable. Again, my shooting is mainly inside of 1000, especially on an animal, and I feed from a magazine. Given those criteria I think the 180 class bullets make more sense. As I stated previously, if pure ballistic performance from a .284 projectile is the only criteria then yes...197 in a single shot, boatail seated to the neck/shoulder junction, chamber reamed for freebore to match... That will be the best combo and the further out you go the more advantage it will gain over the 180 class bullets. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7mm mag freebore?
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