As chambers are lengthened the wall thickness at the juncture of the chamber and forcing cone becomes an issue of primary concern because as the chamber is lengthened you encroach on the tapered or sloped exterrior of the barrel.
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"I'm a Setter man.
Not because I think they're better than the other breeds,
but because I'm a romantic - stuck on tradition - and to me, a Setter just "belongs" in the grouse picture."
George King, "That's Ruff", 2010 - a timeless classic.
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