For those who cut their own chambers The Lambeth/Kiff Micrometer Adjustable Reamer Stop make Chambering much easier and faster. They are available from MidwayUSA, Pacific Tool and Gauge, and Nat Lambeth, (919)556-0554 or NLambeth@embarqmail.com
They come as an 8 piece set, 1 micrometer dial, a short and a long, Adjusting collar and 5 bodies from .750 through 1.750 in length. It make the reamer become a micrometer, the reamer itself is the pinion, the colar and the tendon face become the anvils. The dial is marked in .001 increments. With this tool you don't have to keep track of tail stock position. Works great with or without a flush system. Can be used with a hand driver.