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					Originally Posted by Matt Buckley  26" barrels with the typical IC/M chokes. | 
	
 Well Matt, your 20-ga. 26" barrels with 3" chambers had me scratching my head wondering what my 20-ga., 26", Q1/Q2, stamped 2 3/4" chambers really measured.  So I just went and measured my gun's chambers with arguably the world's most accurate instrument to have ever been devised -- the Po' Man's Chamber Gauge, of course! 
 
 
Mine measure exactly 2 3/4".  I would suspect that your gun's chambers have been lengthened, but would invite others to measure theirs for a larger sampling to come to any definitive conclusions.