I just picked up a used Sig 556 SWAT that the front handguard rattles , it's not enough to cause any problems since the barrel is free float but it makes my OCD tick.

There are a couple suggestions I've seen one is take a piece of a zip tie and put it near the gas block but that didn't work.

As a test I took the old mount for my Aimpoint and mounted it between the two rails and it stopped rattling.

This got me looking for something slim and low profile to accomplish this but either they don't make one or I'm just not using the right search terms.
I found a picatinny to picatinny clamp (pictured below) which would work, a picatinny to mlok adapter but that option seems to be out of stock everywhere and even this bipod mount if I grind off the nub to the bipod.

Any suggestions on something else that might be a better option?



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