Have 7 Grendels that stay in a pretty constant rotation, with 2 Satern cut rifled barrels-20/24”, 2 Wilson’s-20/22”, an 18” JP, a 20” Proof CF and a converted Bartlein from a 6.5x47 barrel. They all have their preferred loads, but the Proof, JP and Satern cut barrels are the easiest to load...