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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm Allen Mag, first velocity test results.....
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<blockquote data-quote="Fiftydriver" data-source="post: 115272" data-attributes="member: 10"><p>JDJones,</p><p></p><p>Two weeks ago if you had asked me that question I would have said 1000-1100 rounds but after being able to inspect the two oldest 270 AMs out there with my borescope, I have gained even more respect for the Lilja 3 groove barrels. They were in the 600 round range and there was just a slight hint of heat cracking. The throat still looked very good although it was a couple ten thou larger then it was originally.</p><p></p><p>TO be on the safe side I would say 1000-1200 rounds, but it may be more then that. IT would greatly depend on how the rifle is fired as always and cared for.</p><p></p><p>As far as a pic of Shawns brakes. Send me an e-mail or get me your e-mail and I will send you some pics. For some reason I cannot seem to post quality pics but when I e-mail them they look good.</p><p></p><p>These were formed case but I was not really concentrating on shooting real tight groups. It was hot and I was trying to get finished with velocity testing before it got any hotter.</p><p></p><p>When I paid attention breaking 1/2 moa was not a problem at all. From what I am seeing with the groups so far, I would say this rifle will play with the 3/8" range at 100 yards.</p><p></p><p>That may not seem all that impressive but remember that this is a long bullet spun very fast in a 1-8 twist and at velocities up to nearly 3700 fps. 100 yard groups will generally not be your lowest moa level groups!!!</p><p></p><p>Accuracy testing will be next. I am going to load for 3600 fps and play with seating depth and see how she does some morning when its not already 85 degrees!! </p><p></p><p>I have no worries she will hold 1/2 moa out to very long ranges!!!</p><p></p><p>Yes she will be a serious hammer to long range deer and pronghorns.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 115272, member: 10"] JDJones, Two weeks ago if you had asked me that question I would have said 1000-1100 rounds but after being able to inspect the two oldest 270 AMs out there with my borescope, I have gained even more respect for the Lilja 3 groove barrels. They were in the 600 round range and there was just a slight hint of heat cracking. The throat still looked very good although it was a couple ten thou larger then it was originally. TO be on the safe side I would say 1000-1200 rounds, but it may be more then that. IT would greatly depend on how the rifle is fired as always and cared for. As far as a pic of Shawns brakes. Send me an e-mail or get me your e-mail and I will send you some pics. For some reason I cannot seem to post quality pics but when I e-mail them they look good. These were formed case but I was not really concentrating on shooting real tight groups. It was hot and I was trying to get finished with velocity testing before it got any hotter. When I paid attention breaking 1/2 moa was not a problem at all. From what I am seeing with the groups so far, I would say this rifle will play with the 3/8" range at 100 yards. That may not seem all that impressive but remember that this is a long bullet spun very fast in a 1-8 twist and at velocities up to nearly 3700 fps. 100 yard groups will generally not be your lowest moa level groups!!! Accuracy testing will be next. I am going to load for 3600 fps and play with seating depth and see how she does some morning when its not already 85 degrees!! I have no worries she will hold 1/2 moa out to very long ranges!!! Yes she will be a serious hammer to long range deer and pronghorns. Kirby Allen(50) [/QUOTE]
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6.5mm Allen Mag, first velocity test results.....
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