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Old March 27, 2011, 04:00 PM   #8
Senior Member
Join Date: December 4, 1999
Location: WA, the ever blue state
Posts: 4,678
Randy says that until you cut off the choke, you don't know if the bore is too far off center for the screw in choke system.

Here are my notes:

1) I am set up for 12 ga Rem Choke in a few pilot sizes.
I can only modify half of my massive beater shotgun collection.
Many of the barrels are too thin for my 32 threads per inch system.
I need a barrel to be .845" diameter.

2) Winchoke is also 32 TPI and needs .845"

3) The Tru Choke system with 44 TPI needs at least a .825" barrel muzzle.

4) The Tru Choke Thinwall aslo with 44TPI needs at least .805"
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