Remington pro bore question

[vtstrutter]

I have a remington versamax with the pro bore barrel. I've noticed the chokes for this gun seem to run a little more open. Is there a specific reason for this? I've got a jebs .655 that shoots fed Tss 9s decent but I feel it could be better. Just wondering if anyone has any specifics on the pro bore.

[Ozarks Hillbilly]

The barrel is a overbore like a 835 the the barrel diameter is larger than a standard 12 gauge.

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[vtstrutter]

Gotcha thanks!

[Old Gobbler]

The barrel on a versamax is overbored to a .735 or something slope to that. The forcing cone is also lengthened.....a 835 mossberg I belive is bored out to something very close to a 10 ga bore of .770 or whereabouts

[vtstrutter]

Thanks!