30 BR caliber?

cratz2

New member
Anyone familiar with this caliber? There is a gun for sale on gunbroker.com that looks pretty interesting but it is chambered for 30 BR. I assume this will be a 'short fat' case along the lines of the 6mm BR, 6mm PPC and and 22 PPC. And I would therefore conclude that it would require a rebarreling for it to fire 308 in stead of just a rechambering.

Would I be correct to assume these things?
 
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