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Hunting
Long Range Hunting & Shooting
High energy / Light magmum
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<blockquote data-quote="liltank" data-source="post: 711115" data-attributes="member: 13275"><p>The Superformance is a little too slow for the .308. They have specific calibers the Superformance powder was designed for. For .308 and velocity, you might want to try RL17 with anything over 190 bullet. For under 185 I would suggest CFE223 or Alliant Power Pro 2000MR. I'm getting 168 Hybrids flying at 2571fps out of an 18" barrel. I have gotten over 2600fps, but accuracy wasn't there and velocities were all over the place. My current load has an ES of 12 and SD of 4. My accuracy is around .75MOA, but have shot tighter groups. I attribute this to the stock on a front benchrest. Off a bi-pod when I can preload the bi-pod it pulls the forearm off the barrel and the groups shrink.</p></blockquote><p></p>
[QUOTE="liltank, post: 711115, member: 13275"] The Superformance is a little too slow for the .308. They have specific calibers the Superformance powder was designed for. For .308 and velocity, you might want to try RL17 with anything over 190 bullet. For under 185 I would suggest CFE223 or Alliant Power Pro 2000MR. I'm getting 168 Hybrids flying at 2571fps out of an 18" barrel. I have gotten over 2600fps, but accuracy wasn't there and velocities were all over the place. My current load has an ES of 12 and SD of 4. My accuracy is around .75MOA, but have shot tighter groups. I attribute this to the stock on a front benchrest. Off a bi-pod when I can preload the bi-pod it pulls the forearm off the barrel and the groups shrink. [/QUOTE]
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