Great info from the Military Arms Channel in a well done video. They discuss topics like how to pick the rifle, the right caliber, the right scope, etc. They also delve into reading the wind, estimating range, reloading and other more advanced topics.
Rifles:
Desert Tech SRS-A1 6.5 Creedmoor
DPMS LR-G2 .308
Custom Accurate Ordnance in 6.5 Creedmoor with Surgeon 591 action and XLR chassis