surfmaster Posted October 25, 2005 Share Posted October 25, 2005 Hi Everyone: I have an early generation Benelli M1 Super 90 shotgun that contains the one-piece magazine tube that holds seven rounds. I would like to add an extension to this but, in order to do so, I would need to cut the mag tube at the beginning of the threads and then add an extension. I am hesitant to do this. Instead, I would rather remove the existing seven-round tube, add a short tube and then add an extension to the short tube. I was told by a gunsmith that it is extremely difficult to remove my seven-round tube and add the short tube. Does anyone have any experience with this type of Benelli and/or the gunsmithing issue regarding this tube? Quote Link to comment Share on other sites More sharing options...
wallhanger54 Posted October 26, 2005 Share Posted October 26, 2005 This would depend on if you have the coarse threads or fine threads. Take a look where it screws in and get back to me. Quote Link to comment Share on other sites More sharing options...
surfmaster Posted October 26, 2005 Author Share Posted October 26, 2005 Wallhanger54, thanks for your reply. My Benelli was purchased in 1989. The serial number is an early M07XXXX number. My mag tube uses fine threads. Let me know what this means. Also, I compared the newer short mag tubes with my forearm and the newer mag tubes have a "lip" that would prevent me from using my existing forearm. Looks like I need to get a new forearm as well. Let me know whether I'm on the right track. Thanks. Quote Link to comment Share on other sites More sharing options...
99gst_racer Posted April 29, 2013 Share Posted April 29, 2013 Back from the dead. I have a very early model M1 and am running into this same problem. I really don't want to cut my factory tube. Mine has the fine threads into the receiver. Which tube am I going to need to purchase to be able to use an extension? Quote Link to comment Share on other sites More sharing options...
RonM Posted December 31, 2020 Share Posted December 31, 2020 I also have an early M1 Super 90 and just found out that I have fine threads in the receiver. Of course I found that out after removing the short tube that the magazine tube threads on to and it threads into the receiver. That short tube is now worthless. Any ideas on finding one? Quote Link to comment Share on other sites More sharing options...
RonM Posted December 31, 2020 Share Posted December 31, 2020 Anyone have ANY luck with ordering parts from Benelli?? Quote Link to comment Share on other sites More sharing options...
bambihunter Posted January 20, 2021 Share Posted January 20, 2021 Not at this point in the COVID-19 era. What stock they had built up has been snapped up by all the COVID and election panic buying. They WILL get back to full production as government rules and general prudence allows. Quote Link to comment Share on other sites More sharing options...
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