Is bedding the AR barrel a myth? What's the best way?

[WeR0206]

Have a new SOLGW M89 handguard coming middle of next week, was going to do it then. But curiosity got to me. Decided to take out barrel from upper today that was bedded-in with the green permatex 640. It was bedded beyond my expectations. Heavy mallet and wood dowel to break it loose, and Several 'heavy handed' blows to get driven out .
The data sheet you linked say's 24 hr. cure, But I remember when I bedded this one, and it seemed wet a long time that day.I just let it sit in the corner of the shop for few days before I even went out to sight it in.
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I recently bought 3 of the same handguard in various lengths for a few builds, love them especially the barrel nut

 

[softcock]

I recently bought 3 of the same handguard in various lengths for a few builds, love them especially the barrel nut

I actually never used the SOLGW before. I'm swapping out a Fortis 'switch' handguard for SOL brand on this upper. I got not bitches about the Fortis, and I like the feel and shape of them to . But I am re barrelling to Rifle length gas. So going Long handguard and people say the SOL have best lockup/rigid in the market.