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i have been following this thread with interst. The last poster gives it in tonns per sq inch. An engineer i know was asked why he was using such a large hammer so gently instead of a smaller one. The answer was you can give a little hit with a big hammer but not a big hit with a small hammer.
The thread 12bore from hell has me thinking what will a 730gn projectile figures be at 1800fps to 2500fps be. I think some well known calibres may retreat to small rifle status.

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Hi Bindi2, you may have misunderstood (or not), and to be fair I should have clarified that the lbs/inch2 referred to the chamber pressure not hitting power or knock down. I was just noting the chamber pressure to show that while 404 Jeffery cartridge recorded lower velocities than the 416R and 425WR it could easily be loaded up to similar velocities if the chamber pressure was increased to the same level. In fact this is what some factory loadings have done and many reloaders do.

Edited by eagle27 (15/03/11 03:42 PM)

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