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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Ruger Ar-556 Trajectory Problem
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<blockquote data-quote="hoffbill" data-source="post: 2351095" data-attributes="member: 75091"><p>I agree and would add that if you use 223 load data many of those loads are based on test barrels. When you go to a gas gun aka AR15 velocity will often be significantly less than load data estimates. Velocity can also be significantly affected by the gas block used. The only way I have found to determine MV accurately on AR15's is use a chrony. I found MV varied from load data and also from gun to gun because of differences in gas systems.</p></blockquote><p></p>
[QUOTE="hoffbill, post: 2351095, member: 75091"] I agree and would add that if you use 223 load data many of those loads are based on test barrels. When you go to a gas gun aka AR15 velocity will often be significantly less than load data estimates. Velocity can also be significantly affected by the gas block used. The only way I have found to determine MV accurately on AR15's is use a chrony. I found MV varied from load data and also from gun to gun because of differences in gas systems. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Ruger Ar-556 Trajectory Problem
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