Trailboss if you can get it. 12-13gn of a Shotgun/ Pistol powder like Red Dot, Nobel 78, AS30N or AP70N will give you 1400 to 1600fps in a 30 cal. Lots of info in Googleverse. Effective killing a little out past 100m. Do your research and work up from around 10-12 gn for 150gn bullets upwards
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