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Joined: Sep 2006
Posts: 2,226
Campfire Regular
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OP
Campfire Regular
Joined: Sep 2006
Posts: 2,226 |
Using 30-06 data for M1 Garand in QL for H4895 and a 147 Win FMJBT. Crimped on cannelure with Lee FCD. With a charge of 47.5 H4895, I'm getting 2786 avg MV. (Close to M2 published MV = 2805.) QL is saying 2662.
Not a huge deal, but I didn't expect to be that far off.
Murphy was a grunt.
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Joined: Oct 2008
Posts: 1,187
Campfire Regular
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Campfire Regular
Joined: Oct 2008
Posts: 1,187 |
So, what are you going to adjust in QL to get the numbers to match? How much confidence do you have in your chrono? It would be interesting to see QL's prediction if you used the ADI powder (in QL) that Hodgdon sells as H4895, instead of using H4895. It could simply be a faster lot of powder or just a 'low-resistance' barrel. Wonder how long the throat on your rifle is nowadays(?).
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