Understanding rifle calibers helps you choose the right tool for your purpose.
.22 LR: The Trainer
Minimal recoil, cheap ammo ($0.05-0.10/round). Perfect for learning fundamentals, plinking, and small game.
.223/5.56 NATO: The Utility Player
AR-15 standard. Low recoil, effective to 400+ yards. Home defense, varmint hunting, target shooting.
.308 Winchester/7.62x51: The Do-All
More recoil but greater terminal performance. Hunting medium to large game, precision shooting to 800+ yards.
Ballistics Basics
- Bullet weight: Measured in grains (gr)
- Velocity: Feet per second (fps)
- Energy: Foot-pounds (ft-lbs)
Start with .22 LR for fundamentals, then move up based on intended use.