im new to rifles and shooting. bought my 1st rifle remington model 700 tactical .308 10:1 20 in barrel. im gonna use it for rec shooting and longer range hunting. i have shot off the shelf ammo through it 20 rnds, but every one i have talked to says "shoot better ammo" but no one has told me what i should be shooting. its all stock i hope to build one soon. thanks for your help