Dave Manson 6XC finish reamer ground to David Tubb's optimum specs for the 115 DTAC bullet.
Provides optimized chamber dimensions for the 115 DTAC in either Peterson or Norma brass.
This 6XC reamer is made by Dave Manson. He is a well known reamer maker.
The reamer has the following dimensions: 470” base diameter, .278” chamber neck diameter, and a .160” freebore (straight section) with a 1 1⁄2 degree lead.
This reamer comes with a removable pilot.
http://www.davidtubb.com/index.php?route=account/download/free&download_id=43