Looking for ideas on alloy composition for a 450 bushmaster. My current alloy is on the hard side to function in an ar platform. Currently running 50 ww 50 monotype. In a 300 gr flat tip bullet I'm sure it would go end to end on a deer, running about 1800fps. Just looking for ideas to soften it up a bit but still keep functioning. Any ideas welcome this will be for a hunting load.