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Will it fit a JM pro 930 mossberg ? Is it cylinder bore ? Slug compatible ? Thanks — 2 Answers
by
Swamp Gypsy,
from LA, United States Asked on September 19, 2017
Answered by
El Nach,
member,
from ND, United States,
on June 12, 2019
It will fit the JM Pro and it’s Improved Cylinder constriction .720 so it’s approved for rifled/Foster type slugs. If you shoot a lot of slugs see my review. The one I had was hard on the wads and eventually it affected my accuracy.
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