Scottybuck Posted September 23, 2011 Posted September 23, 2011 Will the factory spring in my Benelli M1 work with the plus 2 extension, or is there another spring I have to use? Thanks, Scott Quote
Fastlane Posted September 23, 2011 Posted September 23, 2011 (edited) Will the factory spring in my Benelli M1 work with the plus 2 extension, or is there another spring I have to use? Thanks, Scott The factory kit I got for a Benelli M1 came with a longer spring that had to be cut and came with instructions for a starting length and minimum length. Edited September 23, 2011 by Fastlane Quote
Scottybuck Posted September 23, 2011 Author Posted September 23, 2011 Fastlane, was that a plus 2, or plus 4 extension? Scott Quote
Fastlane Posted September 23, 2011 Posted September 23, 2011 (edited) Fastlane, was that a plus 2, or plus 4 extension? Scott That's been a few years ago, but as I recall it was a 20.5" bbl and the extension was just a bit shorter than the muzzle. It must have been a +4. How much longer is your stock spring than the tube w/ extension? I recall they said to start with the spring cut about 16" longer than the magazine w/ extension and no less than 10"-12" longer. As a side note, the recent Benelli +2 extension kit I installed on a SNT came with a long spring with instructions for trimming. Edited September 26, 2011 by Fastlane Quote
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