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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
ULD .277" bullets arrived...
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<blockquote data-quote="Fiftydriver" data-source="post: 37409" data-attributes="member: 10"><p>LarryJ,</p><p></p><p>The Allen Magnum rounds are a family of high performance non belted magnums designed on a full length 338 RUM case with extensively modified shoulder angle and diameter.</p><p></p><p>The case is designed to offer the largest possible case capacity for the 257, 6.5 and 270 calibers. The performance goals will obviously only be reachable using bullets such as the Wildcat bullets that are being designed specifically for these three rounds.</p><p></p><p>There will be bullet weights of 130, 145, 150 and possibly 160 in the 257 AM. The 145 gr ULD has a B.C. of .730! </p><p></p><p>The 6.5mm will start at 140 gr and include weights of 160, 170 gr with a ULD in this caliber as well with a projected B.C. in the very high .7 range, possibly .8</p><p></p><p>The 270 AM will have a 130 gr conventional Bonded Core bullet as well as weights of 160, 170 and 180 along with the 169.5 gr ULDs pictured.</p><p></p><p>These rounds are designed for 500-600 yards deer and pronghorn hunting built on 8.5 to 9.5 lb sporter weight rifles.</p><p></p><p>Obviously they will also perform as excellent extreme range rounds in heavies.</p><p></p><p>I am expecting to have rifles on the range to be tested by mid Jan.</p><p></p><p>I will certainly keep all of you posted.</p><p></p><p>Good Shooting!!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 37409, member: 10"] LarryJ, The Allen Magnum rounds are a family of high performance non belted magnums designed on a full length 338 RUM case with extensively modified shoulder angle and diameter. The case is designed to offer the largest possible case capacity for the 257, 6.5 and 270 calibers. The performance goals will obviously only be reachable using bullets such as the Wildcat bullets that are being designed specifically for these three rounds. There will be bullet weights of 130, 145, 150 and possibly 160 in the 257 AM. The 145 gr ULD has a B.C. of .730! The 6.5mm will start at 140 gr and include weights of 160, 170 gr with a ULD in this caliber as well with a projected B.C. in the very high .7 range, possibly .8 The 270 AM will have a 130 gr conventional Bonded Core bullet as well as weights of 160, 170 and 180 along with the 169.5 gr ULDs pictured. These rounds are designed for 500-600 yards deer and pronghorn hunting built on 8.5 to 9.5 lb sporter weight rifles. Obviously they will also perform as excellent extreme range rounds in heavies. I am expecting to have rifles on the range to be tested by mid Jan. I will certainly keep all of you posted. Good Shooting!!! Kirby Allen(50) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
ULD .277" bullets arrived...
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