GREYBUFF Wrote:Mel,
If you can put your disc in a long burning fire (long enough to get it red) , add some air with a leaf blower to get the disc red and then let it cool slowly (bury it in sand or vermiculite), it will take some of the hardness out of it. I've used a propane cooker to get it hot so I could weld the center and keep it from cracking. Disc's are hardened and tempered to make them tough and taking the hardness out of it might keep you from shooting the center out of it. However we have punched holes in 1/2 mild steel w/high-power rifles and I've pock-marked 3/4" steel at 200 yards. AR500 is the way to go but if you are like me, I use what I have.
i thought about doing that when i built this one but i got lazy , im going to replace the disc tommorow so before i weld up the center ill heat it up weld it then get it red and bury it , ive prolly got 100 of those discs varying in size from 16-24 inch so doesnt make sence to buy some ar500. them damn disc are pretty dang tough
as far as what imm be shooting in the grendel from now , im pretty sure im sticking with the 90g tnts for varmints and small animals , and then 140 class for target shooting and not sure for larger game just yet might try out some of the eld-x or 120 gd's
need to see what the 130rdf's do when they get here on monday as well