Common diameters of different Encore / Contender barrels:

Encore Rifle (Breech is .997″)
Standard Taper is .725″ at muzzle.
Heavy Taper is .850″ at muzzle.
Full / Bull is .995″ at muzzle.

Encore Pistol (Breech is .997″)
Standard Taper is .719″ at muzzle.
Heavy Taper is .852″ at muzzle.
Full / Bull is .997″ at muzzle.

Contender G2 is .809″ at breech and muzzle.

Original Contender Rifle is .809″ at breech and .632 at muzzle.

Bergara barrels:
Standard and 28″ fluted supposedly use the standard and heavy / ProHunter T/C Encore forearms. I do not have muzzle diameters for them though.
“Full” contour is .875″ at the muzzle.

Information for the Encore and G2 are from T/C’s website. Information for the Bergara barrels are from the Bellm website. If you find any of this information to be in error, please contact us immediately.

Encore Rifle forearms and ordering numbers can be found here:

http://www.tcarms.com/customShop/stock_encore_rifle.php

Encore Pistol forearms and ordering numbers can be found here:

http://www.tcarms.com/customShop/stock_encore_pistol.php

Contender Rifle forearms and ordering numbers can be found here:

http://www.tcarms.com/customShop/stock_contender_rifle.php

Contender Pistol forearms and ordering numbers can be found here:

http://www.tcarms.com/customShop/stock_contender_pistol.php