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Going from standard tube to extended tube on M4...


h.bowman

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This seems like a total noob question, but I want to ask before I go and do what I've been told I can do.

 

When you remove the cap at the end of the tube on the standard tube, there is a plug that the spring backs up to. How do you remove that plug?

 

I've been told that you can simply get a screwdriver and pop it out. Well, it is in there pretty good. I don't want to just get a screwdriver and pop it out, having only been told that by one person.

 

What is the best way to remove that plug?

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Are you talking about the black spring stop? If yes then I would use a set of snap ring pilers and remove it that way then remove the spring and install new extension,spring and then spring stop.

 

John

 

Cool. Thanks for the advice. I thought there was a tool that would let that out, but I didn't want to take my gun to Lowe's and show them what I'm talking about...:eek:

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I just use a small stick or plastic pen and slowly work it out. I am very anal and with a screwdriver, may slip and scratch something. Also make sure, just before the cap comes out, cup your hand over it, because the spring comes out pretty quick.

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hmmm.... It is possible that Benelli has started fixing the plug, not likely however. Try removing the tube with the plug, spring and follower inside. Should not hurt anything, just be carefull. -d

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Yeah, the one holding the sling loop in place is a bit trickier. I got a pair of the reversible snap ring pliers, which made it somewhat easier, but it was still something of a careful process. You've got to spread the ends of the ring apart, then lift it off of the collar it sits on. You'd be wise to remove the barrel as instructed above and take precautions against scratching, since that ring will want to go flying when you finally get it out.

 

Take your time and you'll be fine.

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