Gmcrigger2007 Posted June 24, 2014 Share Posted June 24, 2014 Do you have to change the spring when using the Benelli Factory 2 round extension tube ? Quote Link to comment Share on other sites More sharing options...
heckler&kochp2000 Posted June 24, 2014 Share Posted June 24, 2014 No you do not. Quote Link to comment Share on other sites More sharing options...
Gmcrigger2007 Posted June 25, 2014 Author Share Posted June 25, 2014 Thanks for the info. Quote Link to comment Share on other sites More sharing options...
Unobtanium Posted June 25, 2014 Share Posted June 25, 2014 You should. Quote Link to comment Share on other sites More sharing options...
Gmcrigger2007 Posted June 25, 2014 Author Share Posted June 25, 2014 What's a good source for upgrading the spring when using the Factory Benelli 2 rd extension? looks like Benelli only supplies the extension tube. Quote Link to comment Share on other sites More sharing options...
heckler&kochp2000 Posted June 25, 2014 Share Posted June 25, 2014 No need to change the spring, it's a option but not needed. Benelli already includes the full size spring on every m4. Quote Link to comment Share on other sites More sharing options...
Unobtanium Posted June 26, 2014 Share Posted June 26, 2014 No need to change the spring, it's a option but not needed. Benelli already includes the full size spring on every m4. Using said spring resulted in multiple failures directly attributed to said spring, when I tried it. You need more tension. Quote Link to comment Share on other sites More sharing options...
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