| hoppdoc |
| (.400 member) |
| 28/08/07 10:15 AM |
Re: 505Gibbs barrel twist?
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I assume pressures would be higher vs a slower twist shooting the 600 gr bullet at 2200fps in a new gun. Any load data from old vs new guns??
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I assume pressures would be higher vs a slower twist shooting the 600 gr bullet at 2200fps in a new gun. Any load data from old vs new guns?? |