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How much neck clearance do you have? What is the diameter of the neck in the chamber?

Ive just run the 160 TMK at 3.064" COAL with a 20" barrel thru QL. At 56gr of RE26 pressure is right down at 49804 psi (max is 63817 psi for 284 win). This gives 2,723 fps and the case is only 96.9%...

If you want a bit more velocity, try H414 or IMR7828SSC or RE26

Bugger

With re26 did you ladder up higher than 58gr?

Reason i ask is at 58gr you may not be going high enough to get into that node.

Im running 57-57.5gr with 180gr eldms for 2850 fps from 22"

I have used the 150 NBT for a while in my 22 inch long throat 284 barrel. A stiff charge of 2209 pushed them at 2970 fps.

They preformed well from 20 yds to 750.

Ive also used 162 Amax with...