Benelli M2 question

[iano1]

[boltstop]

Are you saying that the light mount goes between the magazine cap and the magazine tube?

I doubt the mag cap is designed to be torqued with a wrench so I would not do it. Perhaps try find an O ring to go in between?

[bminus]

This is probably not the answer you are looking for....I went with a Streamlight 69903 tube mount on my M1 Tactical. P/M me for details if you want.


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[boltstop]

Wait. I just looked at the GG&G page and the light mount goes on between the tube extension nut not the magazine cap. Are you sure you are mounting it in the right place?

[JagerDog]

Not an answer, but mag caps aren't supposed to be uber tight. At least with wood forearms, over tightening can lead to cracked forearms.

[iano1]

The sling mount and magazine tube nut are integrated - one piece. So I’m taking off mag nut and threaded extension, placing light ring mount on- and then threading extension in and screwing on mag cap.
I can try to post photos later

[iano1]

[Pardini]

I don't think you will be able to get 100% of the play out of that combo. Those nuts just aren't designed for it. The threading is too coarse. I'd try to make a washer out of leather or gasket material, but even if it is initially solid it's going to loosen over time. Maybe try to find a thin copper washer or tweek or peen the light bracket.

I put one of the Briley M Lok handguards on my M1. It has that slight movement in it if I twist it and try to make it move. It's somewhat annoying but inconsequential.

[boopiejones]

You seem to have a lot going on there. Light mount, sling mount and what looks like some spacers? Maybe try removing the spacers, or even try removing the sling mount to make sure the problem isn’t the fact that you have too much stuff between the forend and the mag cap.

And how are you “hand tightening” the cap? If you hold the stock between your legs and the cap between your palms, you can get a lot more torque than just using your hands, but without damaging anything.

Here’s a video explaining how to tighten the cap. Long video but fast forward to 20:10 for the explanation.

https://youtu.be/QfqdygODl9k

[SnWnMe]

Get rid of the sling maybe?


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[iano1]

Get rid of the sling maybe?


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[boopiejones]

When you install everything, is the ball detent on the GG&G mount directly contacted by the scalloped edge on the benelli cap? So you hear and/or feel some clicking as you tighten it down?

If not, you might need to back the extension tube out of the cap. Tighten the cap down first and then thread the extension into the cap.

[boopiejones]

[therealnickb]

When you install everything, is the ball detent on the GG&G mount directly contacted by the scalloped edge on the benelli cap? So you hear and/or feel some clicking as you tighten it down?

If not, you might need to back the extension tube out of the cap. Tighten the cap down first and then thread the extension into the cap.

[boopiejones]

I’m betting he’s got the light adapter on backwards. The ball is against the forearm.

I think this particular light mount the rail can point forward or backwards and be mounted on either side of the gun. So the detent ball is visible on both sides and the cupped sections on the bracket go against the barrel to stop it from spinning on the mag tube.