So I am having a precision rifle built and it will be for shooting targets at mostly (100 to 1400yd) distances . The choice between a 6mm or a 6.5 is really starting to wear me down. I would like longer barrel life but also want a fast and lighter recoiling round. Something that I can also buy factory ammo too, so it's coming down to 6mm creedmoor or 6.5 creedmoor. I couldn't find a thread narrowing down just these two catridges as a choice. I'm new to reloading so I want to choose the right caliber and be able to collect brass I will actually utilize. Thoughts and opinions on this please!