March 25, 2020
The all-new 6.5 Weatherby Rebated Precision Magnum (WBY RPM) cartridge is a vast departure from classic Weatherby design. The 6.5 WBY RPM has no belt, no double-radius shoulder, and no freebore. It’s still a hotrod, but that’s about all it has in common with its traditional belted-magnum, Venturi-shouldered, generously freebored ancestors.
The cartridge has a steep, 35.25-degree shoulder, nearly parallel sides, and a rebated rim. For those of you familiar with the 6.5-284 Norma, imagine a...
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