I think shooting the BO is big fun. I hve gone throuogh a lot of ammo to find what shoots the best. The Rem. subsonic 220 gr's are quiet but lack accuracy. In my 4 BO rifles I am lucky to get 3 MOA out of them. I recently started using Gemtech 187 gr projectiles and these are 1.5 all day long through my AAC 7.62 SDN suppressor. If I'm hog hunting and I know the shots will be under 200 yards, I will sometimes shoot PNW Arms 125 gr. NBT. I get 1 MOA with this excelelnt ammo. I keep one AR dialed in just for the PNW ammo. Try a few different kinds to see what shoots the best for you. The Gemtech .300 BO isn't cheap but it's accurate and quiet!