Brady the cast bullet ammo for the BHA 500 Auto Max is made by Buffalo Bore they developed the ammo especially for the rifles produce in 500 AM by BHA, the 1600 to 1700 fps. MV in question is easily doable in that cartridges especially with the 1:24 twist bore and 18" barrel. I'm pretty sure that Buffalo Bore uses cast bullets made by Cast Performance using LBT molds and are of a gas check design which I would highly recommend for use in semi auto rifles especially at the velocities and type firearm you wanting to use them in.
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