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Old July 8, 2019, 08:33 AM   #16
D F Delozier
Junior Member
Join Date: July 3, 2019
Posts: 13
Rodwhaincamo, They are infinitely adjustable within their specific size range.
Keep in mind the blades ride on a very slightly tapered mandrel, that's how they achieve their adjustability, which means your chamber will be very slight tapered, this will become apparent to you when you start adjusting it,and checking with calipers or mic. Once you get your starting size dialed in you should take a cutting wheel and remove most the excess threads off the bottom of the mandrel, to insure you ream deep enough for even a light load. But the reamer still won't go deep enough to reach the bolt cutout in your cylinder, so don't worry about thinning that already thin point. Your actual depth of the ream only needs to be a little deeper than the balls diameter in most cases. But how ever deep you make, always try for consistency of depth as that also plays into accuracy.
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