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Blain, I know that the folks at Benelli are very interested in helping you resolve your issue with your C-stock collapsing while doing rapid fire. And I know that you sent your M4 into Benelli with that issue and the Benelli gunsmiths were unable to replicate that problem even when rapid firing. They would like to see a video of you or anyone else rapid firing your M4 and having the C-stock collapse. So I suggest you record of a video of this happening and send it to the folks at Benelli so they can help you get a resolution.

Can we go back to figuring out why your stock is auto-collapsing? lol. Have you seen any of RxArms' questions?

I am testing the shotgun and putting it through its paces. I discovered an issue that is not supposed to happen with this gun, so it needs to be fixed. If it happens during this scenario, it could possibly happen some other time.

Agreed. What a "welcome" to the forum. 🙄 The gun has an issue that needs to be toruble shooted. Would love some info on this. Someone must have experienced something similar before!

Says the person with "speed is life" in their signature! 🤣 Not sure if these are actually serious questions, or if you're just a troll. The M4 is a combat shotgun...Might as well ask why anyone would want a semi auto shotgun or rifle at all? Why would anyone need to rapid fire? All these semi autos should be banned!!! "High cap mags" too! Nobody needs more than 5 rounds for any legitimate serious use. I DARE anyone to show me what situation that an HONEST man would need to have more than 5 rounds in their gun! 🙄 🤡

Exactly. Like racing a car, or anything else "with no practical purpose" it can be fun to mag dump, and it's a good way to put a shotgun through it's paces and ensure that is is properly cycling. If my AR, or glock, would choke when rapid firing, then it's an issue, same with a semi auto shotgun. During combat, one may need to fire off a few rounds in rapid succession. Though some don't "believe" in semi auto shotguns and think everyone only needs a pump. But this is AMERICA, we are free to choose what we wish. Let the Fudd's keep their pump guns! The other issue is, that if the stock is collapsing when it is not supposed too, there is likely something wrong that is not a design flaw. That issue could present itself during another situation, IE if one is firing stout recoiling magnum loads. Obviously, have the gun do anything it's not supposed to do it cause for concern.

1. I don't know about video, but I could take pictures if that would suffice? 2. I am certain. I am aware of both slots, and the dissassembly slot allows the stock to spin freely vs being locked in place. 3. It rotates to the left. 4. Legacy stock

Bought a brandy new LEO Benelli M4 with full working collapsible stock. Functions great, very reliable and a good shooter. Only one issue, when in position 2 (the mid position) the stock auto unlocks and collapses itself when rapid firing 4 - 6 shells. I'm not even talking high powered stuff, just light birdshot will do it. Putting it in the mid position and rapid firing 4 - 6 shells, the stock auto unlocks, and collapses while firing. By rapid firing I mean pulling the trigger close to as fast as you can. I called Benelli customer service, they asked me to send the shotgun in. Did so, the tech said nothing was wrong with it. It turned out that he just fired 2 to three rounds normal speed (not rapidly) figured I had the stock in the "disassemble" notch (I didn't) and said it was fine. Called up to complain, they sent me a new stock, said maybe the old one was faulty. Put it on, tried it. Experiencing the same issue... Has anyone else ever experienced or heard of this issue happening before? What can I do now at this point? Thanks!