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The Range
Ammo & Reloading
Load Testing for the CZ600 .308
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<blockquote data-quote="swampratt" data-source="post: 3843925" data-attributes="member: 15054"><p>I tested Varget IMR4064 and RL15 all back to back in different temps in my .308.</p><p>I was looking for my group size to stay the same and only tested to 200 yards.</p><p>All powders stayed close enough to point of aim in all temps that a scope adjustment was not necessary.</p><p></p><p>BUT only IMR4064 would keep those groups tight.</p><p>RL15 was the worst and I got rid of it.</p><p>I tested RL15 in my 30-06 also and found I could load same velocity as 4064 but the recoil was much less with the RL15.</p><p></p><p>H4350 for the king of velocity as far as my 30-06 testing went.</p><p>I have not ever used IMR4895 but have tried H4895 and like my 4064 much more.</p><p>H4895 in my .223 and 5.56 is awesome for tight groups but velocity is eeehhh and N133 with my 55gr bullets will move much quicker.</p><p></p><p>I do not need the high velocity to do the killing with the 55 v-max though so my go to is H4895.</p><p></p><p>I would be lost without my IMR4064.</p></blockquote><p></p>
[QUOTE="swampratt, post: 3843925, member: 15054"] I tested Varget IMR4064 and RL15 all back to back in different temps in my .308. I was looking for my group size to stay the same and only tested to 200 yards. All powders stayed close enough to point of aim in all temps that a scope adjustment was not necessary. BUT only IMR4064 would keep those groups tight. RL15 was the worst and I got rid of it. I tested RL15 in my 30-06 also and found I could load same velocity as 4064 but the recoil was much less with the RL15. H4350 for the king of velocity as far as my 30-06 testing went. I have not ever used IMR4895 but have tried H4895 and like my 4064 much more. H4895 in my .223 and 5.56 is awesome for tight groups but velocity is eeehhh and N133 with my 55gr bullets will move much quicker. I do not need the high velocity to do the killing with the 55 v-max though so my go to is H4895. I would be lost without my IMR4064. [/QUOTE]
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Load Testing for the CZ600 .308
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