Military round comparisons

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The bullet, which has an ideal form factor, is very long - but you really wouldn't want to change that. What we really need is increased powder capacity to give it a little extra energy and thus retained energy at long range - especially when fired from short-barrel weapons - and better short-range terminal effectiveness, including barrier defeat. In other words, what the Grendel really needs is a slightly larger case - something in between the current 11.3 x 39 mm and the 6.5 mm x 47 Lapua brass.

First--- Welcome to the Grendel boards!

Second--- Extra energy as compared to what? Increased barrier penetration as compared to what? The 6.5 Grendel is capable of defeating a level 4 rifle plate as is when loaded with an AP round. How much barrier penetration do you possibly need?

Remember, increased energy comes with increased recoil. The way our politically correct militaries are heading, the average Sheila won't be able to handle them if you jack it up too much.

What numbers are you looking for?