Re: Bore measurement Archived Message Posted by David W on April 18, 2007, 6:52 am, in reply to "Bore measurement" I use telescoping gages and a micrometer. It will let you get to 3-3 1/2". From what I've read about L.C. Smith's chokes they are between 1 1/2"-2" into the muzzle. Message Thread: Bore measurement - Eric April 17, 2007, 9:50 pm Re: Bore measurement - David W April 18, 2007, 6:52 am Re: Bore measurement - Jent P Mitchell III April 17, 2007, 10:08 pm   Searching