Need Some Specs for the CZ 550 Magnum (.416 Rigby) Action
1.thread size for the barrel on the inside and measuremnt of the outside of the threaded end too.
cheers PC.
The magnum actions are metric M28 x 2, 60 degrees. The major diameter is 1.100" +0.000/+0.002"; the minor diameter is 1.025"; the pitch diameter is 1.045" +0.000/-0.002". This information is courtesy of American Hunting Rifles, Inc.
Off or Brownells Gun Tech