The Firing Line Forums - View Single Post - There is a shiny vertical line on the forcing cone of my S&W 331...

James K · September 25, 2002, 02:14 PM

First check to be sure the bright spot is not a crack. Then read my posting on the previous thread about insufficient barrel-cylinder gap. It should be .006". If less, the cylinder can expand from heat and rub any high spot on the cone.

Jim

September 25, 2002, 02:14 PM	#2
James K Member In Memoriam Join Date: March 17, 1999 Posts: 24,383	First check to be sure the bright spot is not a crack. Then read my posting on the previous thread about insufficient barrel-cylinder gap. It should be .006". If less, the cylinder can expand from heat and rub any high spot on the cone. Jim