l will definitely keep you guys posted. . .
. . .this is what I asked for from Satern: 16" 416R SS barrel threaded for a brake (told them I didn't know if it was supposed to be 5/8"-24 or 11/16"-24 thread, but that I would find out), bead blasted (an option they offer) and that the Bushmaster barrel were a 1-in-24" twist (don't know if that's the best, just know that's what Bushmaster uses).
Maybe you guys could help me out with the brake threading (which one is right), the barrel diameter under the handguard, and the barrel diameter at the gas block. . .as this is info I haven't been able to nail down 100%. I know the .50 Beowulf barrels are 0.980" under the handguard and 0.906" at the gas block, but I don't know if the 450 Bushmaster uses the same size barrel or not.
If you guys that have 450's could help me out it could possibly help us out in the long run.