https://palmettothreads.com/ No Further a Mystery
I also Believe it?�s why they went with a distinct model guard (I do think. Last 2 uppers had a special design and style). The hand guard attached on the nut with eight small hex bolts. I believe The key reason why it was so tight was for alignment. I needed to torque it a great deal to line it up Once i made use of it all over again.Merchandis