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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Why is 7mm not good in long range competition?
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<blockquote data-quote="Mysticplayer" data-source="post: 36375" data-attributes="member: 8947"><p>Straydog, for the same weight of bullet (165 to 180gr) and similar muzzle velocities, the 7mm offers a substantial increase in wind bucking ability and retained vel over the 30cals.</p><p></p><p>Where the 30cals have an advantage is in very heavy VLD bullets (210 to 240gr). Here the impact energy is usually higher and wind bucking is similar.</p><p></p><p>You need to define extreme range. For me, that is well over 1000m. Here I will only shoot the heavy 30's and better yet, the 338's. You need all the energy you can deliver to the target.</p><p></p><p>If you are just target shooting, a high vel 7mm or 6.5 will do very well at ranges as far as you have elevation for.</p><p></p><p>Any shortcomings in the 7mm for target shooting will be solved as better bullets and tech are developed. You never know with some upcoming interest in 8mm, this may also become a viable caliber.</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 36375, member: 8947"] Straydog, for the same weight of bullet (165 to 180gr) and similar muzzle velocities, the 7mm offers a substantial increase in wind bucking ability and retained vel over the 30cals. Where the 30cals have an advantage is in very heavy VLD bullets (210 to 240gr). Here the impact energy is usually higher and wind bucking is similar. You need to define extreme range. For me, that is well over 1000m. Here I will only shoot the heavy 30's and better yet, the 338's. You need all the energy you can deliver to the target. If you are just target shooting, a high vel 7mm or 6.5 will do very well at ranges as far as you have elevation for. Any shortcomings in the 7mm for target shooting will be solved as better bullets and tech are developed. You never know with some upcoming interest in 8mm, this may also become a viable caliber. Jerry [/QUOTE]
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Why is 7mm not good in long range competition?
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