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Forum: Small Caliber Discussion Board 04-04-2015, 03:49 AM
Replies: 23
Views: 13,805
Posted By Spook
Quickload has a 22-250 reaching 50,000 psi with...

Quickload has a 22-250 reaching 50,000 psi with 37 grains of rl-17, and a 55 gr horn FMBT with a 92.62% burn efficiency from a 24" barrel.
Given those parameters, I'd probably start in at about 35.5...
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