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Hunting
Long Range Hunting & Shooting
Rebarreling, 260 Ackley improved, or 6.5/284?
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<blockquote data-quote="codyadams" data-source="post: 1436348" data-attributes="member: 87243"><p>No need to get .308 SRP brass, Peterson makes excellent SRP brass for .260, I am currently fireforming them in my .260 AI right now. </p><p></p><p>As far as accuracy....both cartridges have great/equal accuracy potential in my opinion, I have yet to fire a load in my rifle that groups bigger than about 1.25" at 100 yards, it's a trued rem 700 with a Krieger 8 twist barrel. My load now is 49.1 grains of Reloder 26 with a 140 Berger VLD seated .005" off the lands, which is right about 2.905" OAL, and is going 3070 fps out of my 29" barrel. However, when working up this load I went up to 51.5 grains which is where I started seeing pressure in the form of ejector marks on about every 3rd round, but that was going 3170 fps....my accuracy node ran from 3050 fps up to 3120 fps, about 48.8 grains up to 50.6 grains, all within safe pressure in my rifle, and all loads ranging in there grouped within 3" at 505 yards, with a vertical spread of about 1". I went with 49.1 grains. It groups at or under .5 MOA, If I do a good job it's more like .3 MOA.</p></blockquote><p></p>
[QUOTE="codyadams, post: 1436348, member: 87243"] No need to get .308 SRP brass, Peterson makes excellent SRP brass for .260, I am currently fireforming them in my .260 AI right now. As far as accuracy....both cartridges have great/equal accuracy potential in my opinion, I have yet to fire a load in my rifle that groups bigger than about 1.25" at 100 yards, it's a trued rem 700 with a Krieger 8 twist barrel. My load now is 49.1 grains of Reloder 26 with a 140 Berger VLD seated .005" off the lands, which is right about 2.905" OAL, and is going 3070 fps out of my 29" barrel. However, when working up this load I went up to 51.5 grains which is where I started seeing pressure in the form of ejector marks on about every 3rd round, but that was going 3170 fps....my accuracy node ran from 3050 fps up to 3120 fps, about 48.8 grains up to 50.6 grains, all within safe pressure in my rifle, and all loads ranging in there grouped within 3" at 505 yards, with a vertical spread of about 1". I went with 49.1 grains. It groups at or under .5 MOA, If I do a good job it's more like .3 MOA. [/QUOTE]
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Rebarreling, 260 Ackley improved, or 6.5/284?
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