I have a Benelli m4, and want a shorter LoP. I was thinking about getting the new Mesa Tactical Urbino stock, but I would rather get the collapsible stock and modify it to be permanently fixed by pinning it somehow. Has anyone done this? A permanently pinned collapsing stock that was fixed would be legal on a semi auto shotgun right? If it would be too much trouble I'll just go with the urbino stock. Both are pretty pricey, but The Urbino stock would help with the 922r parts issues.





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