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I like a aimpoint on my m4 over a rmr

There's no way around it an rmr can get obscured by rain, snow or mud. But you could just blow it off or go with the aimpoint.

You deduced the issue correctly. It’s the TTI hammer spring causing you grief. Go back to oem and your issues should go away. I’ve never known anyone who’s M4 would work with those pieces of crap in the pack.

I agree it’s pretty rough on the machining. Either the tool bit needed changed or someone didn’t follow up and hand fit it with a file before the chrome was done. Either way it won’t affect anything. I can’t see the rivet very well. Being a rivet, the parts are deformed during the install. High spots sometimes need filed off to permit seating of the barrel into the receiver. I’d leave it alone, shoot it and see if it fails before attempting to send it back to Benelli. At this point they’d likely say its in spec and to go away.

Benelli will never admit their drop in quality control over the last18 months relative to the M4 platform. In Benelli’s defense, the stars all aligned for them..Covid shutdowns + annual Italian factories shutdown every month of August + expiration of M4 ARGO system patent. Additionally, once the patent expired on the ARGO system, at least 3 Turkish clones of the M4 hit the market for half and even 1/3 the price the price of Benelli..and there will likely be more M4 clones coming. It will be interesting what course Benelli takes with their M4 platform..they have already validated that widespread “minor” quality control flaws are now allowed that we’re NOT allowed to leave Italy prior, clearly a strategic decision made by Benelli and their present day approach to the M4..albeit a very sad one to me anyway.

I was curious about that as well.

did you use a heat shrink to cover your speedbar?