Im thinking of using mt Bushy Super light barrel for a flat top bulid, what are my options as far as folding front site blocks or just gas blocks, everything i see for sale is for .750 barrels.
PRI sells a 0.625" FSB. I believe YHM does or did also.
As Mongo mentioned, PRI has a folding front sight.
Yankee Hill has their specter gas block available as well, but this is just a gas block.
It's designed to hide under the handguards.
I don't see any offerings for a folding front sight in the current YHM catalog, but they do show a railed gas block as well.
I have a drawing for some lightweight 0.625" gas blocks, but I have not had enough interest to justify making 25 pieces.