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Has anyone else seen that BENELLI has released the newest iteration, the M4 EXT. It features a 7 round factory mag tube, a 5 position C-stock and comes in 3 colors. Looks like they listened to RX-ARMS on the C-stock. https://www.ammoland.com/2025/11/benelli-unleashes-the-m4-ext-tactical-semi-auto-shotgun/

Would love to see more info on this. I am still wanting to get the M4 A.I. Drone Guardian.

contact me for prices shipped..

There is no end cap on that extension. You're actually missing a piece and the piece that's showing on the end of the extension doesn't belong there. That piece is the original magazine spring retainer for a standard-length magazine tube. The mag extension comes with a "cup" rather than a "cap" that is inserted into the extension first and retains the magazine spring. It's the round item below with the small hole in the middle. That's what should be showing at the end of your magazine extension. (forget about the two pieces at the bottom of the picture - more explanation needed for that and isn't relevant) While the spring retainer probably works OK in your tube a problem may arise if you fully load the magazine. That retainer compresses in a manner similar to a split ring to remove it from its designated space. In its current location, pressure from a fully loaded magazine MAY force that retainer out the end of your tube and you'll have a magazine spring go shooting out the end, not to mention the retainer turning into a projectile that could cause you some serious damage it you're looking at it wrong when it happens. If it were mine, I'd try to find the correct part. Numrich and Brownells still list the correct part as available. It's called a "magazine tube plug" or "spring retainer". Part 106 on Brownell's schematic. http://www.brownells.com/schematics/Benelli-U-S-A-/Super-90-M1-Field-sid682.aspx#s15402sid682