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Rifles, Reloading, Optics, Equipment
Reloading
4350 Powders
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<blockquote data-quote="baldhunter" data-source="post: 2232225" data-attributes="member: 11853"><p>When I did a comparison test with the three 4350 powders all loaded at the same charge weight in my 30-06 with a 165gr bullet,A4350 gave me the highest velocity and the best group,followed closely behind was IMR 4350.It was only about 15fps less and group size was just a tad larger.H4350 was the slowest About 30fps slower and gave me a slightly larger group than the other two.The groups ranged from just under one half inch to just over three quarters of an inch,so really all three powders performed really well in the test.Here is another kicker.I use Winchester cases and they tend to have a larger volume.When all three powders are loaded at the same charge weight,A4350 fills the case the fullest,followed by IMR4350,then H4350 giving the most extra room in the case.I could have easily added one or more grains of powder in the case with H4350 and an easy half grain more with IMR 4350,but I was already at a compressed load with A4350.So If I was to tweak these three loads where they filled the case to the same volume level,H4350 would have most likely given me the highest velocity with a one grain increase,followed by IMR4350 with it's half grain increase and A4350 staying the same charge.I don't know how my groups would have changed,but a little tweaking can make a difference in the results.</p></blockquote><p></p>
[QUOTE="baldhunter, post: 2232225, member: 11853"] When I did a comparison test with the three 4350 powders all loaded at the same charge weight in my 30-06 with a 165gr bullet,A4350 gave me the highest velocity and the best group,followed closely behind was IMR 4350.It was only about 15fps less and group size was just a tad larger.H4350 was the slowest About 30fps slower and gave me a slightly larger group than the other two.The groups ranged from just under one half inch to just over three quarters of an inch,so really all three powders performed really well in the test.Here is another kicker.I use Winchester cases and they tend to have a larger volume.When all three powders are loaded at the same charge weight,A4350 fills the case the fullest,followed by IMR4350,then H4350 giving the most extra room in the case.I could have easily added one or more grains of powder in the case with H4350 and an easy half grain more with IMR 4350,but I was already at a compressed load with A4350.So If I was to tweak these three loads where they filled the case to the same volume level,H4350 would have most likely given me the highest velocity with a one grain increase,followed by IMR4350 with it's half grain increase and A4350 staying the same charge.I don't know how my groups would have changed,but a little tweaking can make a difference in the results. [/QUOTE]
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