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Faster than what though? What powder did they recommend for the 87gr weight bullet?
Dropping in bullet weight will benefit from a increase in burn rate but that's the same in any length barrel.

A 16 inch barreled 243 is going to be very hard on a suppressor, I doubt few powder granules would make much difference among all the screaming exhaust gases. Its not my thing but if I went that...

Its not the powder , its the reference to using a faster powder because the barrel is short. While on the surface it would seem logical in reality it dosnt work that way.

:smash: