OK slept on the 1:10" twist barrel idea.

22" medium contour barrel (#5 sporter) on FN M98.

26" heavy contour barrel (#6 sporter) on M70 classic.

Hedging the lengths so as to be useful for special purpose and general purpose loads.

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And nowadays the 3.340" COL and 60,000 psi SAAMI .458 WinMag makes a bloody big hole through anything needing a bloody big hole,
in the most practical manner.

Ron aka "Rip" for Riflecrank Internationale Permanente
NRA Life Benefactor and Beneficiary
.458 Winchester Magnum, Magnanimous in Victory
THE WALKING DEAD does so remind me of Democrap voters. Donkeypox.