Best Long Range .277-Caliber Cartridges The .277 is an oddball bullet diameter, in that it doesn’t fall into the much more common 6.5mm, 7mm, or .30-caliber categories.

The Federal Premium Hydra-Shock 32 H&R Magnum has all the reliability, accuracy, and effectiveness for a defensive cartridge, ...

The best long-range hunting cartridges fire high-BC bullets that remain supersonic out to at least 1,400 yards, from 6.5 creedmor to .30 caliber.