CHOKE TUBE GUIDE

Choke Tube Identification Choke tubes can be identified by the number and placement of small notches found on their muzzle (non- threaded) ends.
Choke Tube Identification
O
Extra Full
I
Full
II
Improved Modified
III
Modified
IIII
Improved Cylinder
IIIII
Skeet
IIIIII
Cylinder
I-I
SC-I
II-II
SC-II
The Use of Slugs
Smooth bore barrels with choke tubes should have “Cylinder Choke” tubes installed when using Foster or Bernneke style rifled slugs. A “Cylinder Choke” will provide the best accuracy. Any choke with constriction of .020″ or more can result in damage to the barrel. Our “Improved Choke” tubes have a constriction of .013″ and therefore may be used with rifled slugs; however, accuracy may be compromised. Weatherby recommends slugs only be fired using a non-ported cylinder choke.
At no time should you shoot without a choke tube installed as this may cause damage to the choke tube threads in the barrel.

 

This information is for general informational purposes only.However we make no representation or warranty of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability. Under no circumstance shall we have any liability to you for any loss or damage of any kind incurred as a result of the use of this informatiom.
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