I am a fan of free floating barrels, however I have a brandnew M98 military profile 7mm mauser barrel that is a puzzle to get decent groubs. I am going to start putting pressure under barrel at front of stock. Seems to me I once heard pressure should be about 15 pounds. I ask of those that know, what type of material(this is my new personal hunting gun) that will take weather elements and do you put the material on the bottom only of barrel or bring it up the sides a little. I am leaning towards putting a bead of silicon on stock and after it sets up install action. The larger the bead the more pressure on barrel. I realise this could take alot of time but that I have! Thanks for your input. For those that must know it is a vz24 in a glass bedded action only stock and a 19 inch military barrel- brand new.And I am using jacket bullets until I get it to shoot decent then I will go to cast. My standard of 1 MOA is discarded for this barrel and I will be satisfied with 1 1/2 inch moa at 100 yards.