Max Chamber Pressure

[alwie]

Thanks Grayfox
Yes you are correct the Tested barrel lenght was 24" (Sorry i thought i had included that detail )
Just so we are clear, I am not looking for silly speeds. 2600 will be enough for what i need, i was just trying to get my head around how Hornady achieve such high Mv ( Safely ), but i guess like you say, i dought there someone stood there with an ar15 shooting over a Cadwell chrono.
I have no dought whatever there test rig, it will be very well clamped down example in a tunnel,

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Hornady did finaly reply.
And as Grayfox suggested this is what they said.

""Are you referring to the 2750 on the box? if so we are capable of achieving that without pressure issues because we have access to powders and blends that reloaders do not so we can get more speed with less pressure


Hornady/SnapSafe Tech team""

Well i cant argue with that..

Why cant we have the super secret powder??