Lonewarrior
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No issues mate. Always there@Johny_Baba @Lonewarrior , sorry for bothering you again.
I have a new doubt. In M-LOK I know that a nut rotates and fit in to the slot, but in the fab defense lower handguard, it appears to me that there is no space for the nut to rotate as the heat shield is just behind (for the blue one).
View attachment 156545
Even in this pic shared by Lonewarrior, I am unable to make any guess how the nut rotates as I cannot guess if there are any hollow spaces just behind the slot.
View attachment 156546
What I want to know is that whether FAB Mod has slots of the type in left or the right according to the pic I drew (below).
View attachment 156553
(Yellow/Red: Heat Sink, Green: Slots, Black: Lower Handguard Body)
Do Fab Defense use some other kind of nut-bolt instead of the standard Magpul nut-bolt (below)?
Okkayy
So here is a typical aluminium handguard with M-Lok nuts.
And here is how that heat shield thingy attaches
So there is sufficient space for the T-nut to rotate and engage.
But there is something that's quite similar to what you're doubts are; the size of the screw is not something standardized by Magpul. Some screws are longer as polymer based handguard tend to be slightly thicker. Screws for aluminium handguard are shorter. So if a screw is bit longer then it will interfere with that heat shield.