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StrangerDanger

Benelli M4 -- Weapon light mounting Options Suck!

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Here the spiral lock ring is in place. It's kind of like a split key chain ring. It was a pain in the ass to get on. The edges of the split ring are razor sharp too. Pushed right into my thumb with that one.

 

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From the back side, you must screw in these two bits that act as stand off points. They apply tension to the mount to pull it tight against the spiral ring. They also keep the mount from spinning.

 

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You end up with a pretty low profile setup.

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Seven hours later, it looks like a glazed doughnut. I don't have a bunch of pictures of the slaughterhouse. There was too much swearing going on, and I'm not all that proud of the work to be honest. By the end, it was mainly to just get it done. The epoxy doesn't look as bad in person, the light creates artifacts.

 

Having to cut into the forearm to make a flush mounting position in such a thin stock was a challenge. I'm surprised it worked in the end honestly.

 

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Looking at these pics makes me wonder about attaching to the barrel/magazine band as a neat way to do a light and retain the toolless takedown...

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That sling mount should work too. Certainly has fewer parts.

 

Ive been pitching a barrel band clamp idea for years to all the m4 makers. None of them seem to want to do it. They keep pushing barrel clamp crap.

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Buy if Benelli would give us a small bolt boss on each side would be great. I haven't looked up close do you think the factory band is thick enough that a guy could drill and tap like the reciver?

 

Tig a lug onto the band, but then a refinish is necessary.

 

Once a guy has a pair of holes the bracket should be pretty straight forward..

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I looked at going that route myself. The steel is pretty thin. I'm not sure if it is thick enough to thread. There isn't much room on the inside since the magazine tube fits pretty much flush through the hole.

 

I was thinking an aluminum bracket that two halves bolted together over the hanger and over the top of the barrel and also below it.

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Kind of like an 8 with flat sides.

 

Thin and pinned/hinged at 12oclock thicker and bolt together at bottom with inset screw heads and I'd think float the upper hole free from the barrel by a few thou.

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Yep. Then have holes through the body that would attach to a small picatinny rail section, or a foot print for the Scout lights. Could even have the six holes for the X300 so that you could eliminate the mounting hardware. The fasteners would be countersunk flush into the back side of the mounting bracket. That way the fasteners couldn't back out they'd just back out into the barrel hanger.

 

Trouble is, most of the big makers want to make these parts out of cheap aluminum extrusions. Not sure a design like this could be done that way. It would have to be milled.

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Had some free time this afternoon, decided to tweak the handguards some more to make it not as ugly. I filled in the fasteners with epoxy to eliminate all the edges. I then painted the area with Plastic Dip. Still doesn't look great, but it looks better. I still don't miss the weight I saved!

 

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I weighed the shotgun fully loaded. Bathroom scale throw out between 9.25 and 9.5 lbs. This setup is far more comfortable than the Surefire M80. The Surefire along with its GearSector mount had a lot of edges that would jam you thumb when firing. While the epoxy is ugly, it is smooth and presents no edges.

 

The light mounts pretty far forward, so you don't even notice that it is there unless you need it.

Edited by StrangerDanger

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Had some free time last night. My OCD kicked in and told me to clean up the cosmetics of the handguard some. So I applied another layer of epoxy, then sanded it down some to even it out. I then added a few layers of Plastic Dip. Overall, it looks significantly better and there are even fewer sharp edges. It's still fugly, but I'll live.

 

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Looks good!

It's nicely done. Good job.

 

Had some free time last night. My OCD kicked in and told me to clean up the cosmetics of the handguard some. So I applied another layer of epoxy, then sanded it down some to even it out. I then added a few layers of Plastic Dip. Overall, it looks significantly better and there are even fewer sharp edges. It's still fugly, but I'll live.

 

004-6_zpse0c3ecc4.jpg

 

008-4_zps8464a8d5.jpg

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