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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 Allen Mag, Extreme Sporter Range test...
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<blockquote data-quote="Fiftydriver" data-source="post: 68183" data-attributes="member: 10"><p>B1g_b0re,</p><p></p><p>The very best option to build on is obviously a Rem 700 RUM receiver. Second best would be a Rem 700 standard magnum receiver which would need only a new mag box and a bit of opening on the feed rails. </p><p></p><p>The Standar .470 bolt case Rem 700s will also work but there is more mods needed to get them up and running and generally a magnum receiver does not cost any more on the used rack.</p><p></p><p>The Savage receivers work very well if built properly. They are also very economical. The down side to the Savage is the mag box length and they really so not play well with the fatter shoulder of the Allen Mag case configuration. For a single shot they work extremely well as this is what my 270 Allen Mag is built on.</p><p></p><p>When the 270 Allen Mag Full Length sizing dies get here from Redding all you will need to do is run a 7mm RUM case through the die and your ready to load and fireform, could not be easier.</p><p></p><p>In the mean time I have been using a set of 270 WSM dies to neck down the 7mm brass and load the round. These dies even work for neck sizing fired cases and loading fired brass but with the very minimum taper of the Allen Mag you can not use full tilt loads without partial full length sizing. This is the reason my load is only running around 3300 fps at this time. </p><p></p><p>When the dies get here from Redding, I will be able to run this girl at full pressure and get 3400 fps with the 169.5 gr pills.</p><p></p><p>Barrel life is a funny thing. The barrels that I am having Lilja build for these are 3 groove 1-8 barrels so this will help extend barrel life. I woudl imagine 1500 rounds would be practical with proper care. If you abuse the barrels you could destroy one in 500 rounds or less.</p><p></p><p>It will be very similar if not identical to the 7mm RUM in barrel life.</p><p></p><p>Good SHooting!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 68183, member: 10"] B1g_b0re, The very best option to build on is obviously a Rem 700 RUM receiver. Second best would be a Rem 700 standard magnum receiver which would need only a new mag box and a bit of opening on the feed rails. The Standar .470 bolt case Rem 700s will also work but there is more mods needed to get them up and running and generally a magnum receiver does not cost any more on the used rack. The Savage receivers work very well if built properly. They are also very economical. The down side to the Savage is the mag box length and they really so not play well with the fatter shoulder of the Allen Mag case configuration. For a single shot they work extremely well as this is what my 270 Allen Mag is built on. When the 270 Allen Mag Full Length sizing dies get here from Redding all you will need to do is run a 7mm RUM case through the die and your ready to load and fireform, could not be easier. In the mean time I have been using a set of 270 WSM dies to neck down the 7mm brass and load the round. These dies even work for neck sizing fired cases and loading fired brass but with the very minimum taper of the Allen Mag you can not use full tilt loads without partial full length sizing. This is the reason my load is only running around 3300 fps at this time. When the dies get here from Redding, I will be able to run this girl at full pressure and get 3400 fps with the 169.5 gr pills. Barrel life is a funny thing. The barrels that I am having Lilja build for these are 3 groove 1-8 barrels so this will help extend barrel life. I woudl imagine 1500 rounds would be practical with proper care. If you abuse the barrels you could destroy one in 500 rounds or less. It will be very similar if not identical to the 7mm RUM in barrel life. Good SHooting!! Kirby Allen(50) [/QUOTE]
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270 Allen Mag, Extreme Sporter Range test...
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