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May 10, 2015, 12:04 PM
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#1 |
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Member
Join Date: May 25, 2014
Posts: 57
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increased powder charge
I was shooting 168 gr berger with 42 grains of varget out of my 18" barreled 308 with sub moa groups. I was able to increase the powder charge to 44 grains and still get sub moa group without showing any pressure signs on the casing. Any idea how much velocity I gained if any with the 2 grains of varget out of my 18" barrel?
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May 10, 2015, 12:55 PM
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#2 |
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Staff
Join Date: March 4, 2005
Location: Ohio
Posts: 21,060
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QuickLOAD puts it at around 110 fps difference, but it can vary some depending on which 168 grain Berger bullet I choose and what make of case's capacity I choose and what COL I use.
Hodgdon's data says 46 grains is maximum with the Sierra match 168 in a Winchester case, so it's no surprise you are not having a pressure issue.
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