The Firing Line Forums - View Single Post - Good clean burning powder for 9mm that won't bulge cases in S&W Shield.

WIL TERRY · April 2, 2014, 02:06 PM

CASE BULGING IS CAUSED BY THE GUN'S CHAMBER not supporting the cartridge all the way to the solid case head or the extraction groove in some instances.

April 2, 2014, 02:06 PM	#13
WIL TERRY Senior Member Join Date: July 6, 2000 Location: BLACK HILLS Posts: 1,322	CASE BULGING IS CAUSED BY THE GUN'S CHAMBER not supporting the cartridge all the way to the solid case head or the extraction groove in some instances.