.30-06 vs .308: Ballistics, Recoil & Hunting Comparison

Buy the .308 Winchester unless you need the .30-06's heavier bullets or its extra energy past 400 yards. For deer hunters, target shooters, and anyone sensitive to recoil, the .308 gives up 150 fps with the same 178gr bullet and costs you 5.9 inches of drop at 500 yards. In exchange it kicks about 25% less (16.5 vs 22.1 ft-lbs of free recoil in an 8-lb rifle with typical 168gr and 180gr loads), runs in a shorter, lighter action, and has cheaper practice ammo.

Buy the .30-06 Springfield if you hunt elk, moose, or grizzly country, or want 200-220gr bullets. Common .308 factory hunting loads top out around 180gr, while the .30-06 case has room for heavier bullets and still carries 1,570 ft-lbs at 500 yards with a 178gr ELD-X. That is the margin that matters when the animal gets bigger and the shot gets longer.

The .30-06 is the larger cartridge in every dimension that matters. Its 2.494-inch case holds more powder than the .308's 2.015-inch case, which is the entire source of the velocity advantage. That longer case also forces a long action, while the .308 runs in a shorter, lighter, stiffer short action that competition and precision shooters prefer. The .30-06's case room lets it load bullets up to 220gr at usable velocities, while common .308 factory hunting loads top out around 180gr; heavier 185-200gr .308 match and load-data options exist but give up velocity the larger case does not.

Neither cartridge is a long-range specialist by modern standards. For pure distance work the 6.5 Creedmoor beats both with higher-BC bullets and less recoil, which is why precision shooters increasingly choose it over the .308. Where the .30-cal pair still wins is heavy-game terminal performance and the century of factory load development behind them.

In matched factory loads the .30-06 leads the .308 by 80 to 150 fps at the muzzle, and the energy gap runs 150 to 317 ft-lbs depending on the bullet. The widest margin shows up with the 178gr ELD-X, where the .30-06's larger case turns the same bullet into a 150 fps, 317 ft-lbs advantage. The all-copper Barnes loads are the exception: both calibers run their TTSX bullets at 2,700 fps, but the .30-06 carries a heavier 180gr pill to the .308's 168gr, so it still wins on momentum and energy.

The practical takeaway is that the velocity gap is real at the muzzle but shrinks with distance, because both bullets share the same diameter, ballistic coefficient, and drag curve. For exact drop and retained-energy numbers at every range with your specific load and zero, run the figures through our ballistics chart and trajectory calculator.

The .308 kicks about 25% less than the .30-06 with typical hunting and match loads. A .30-06 180gr load at 2,700 fps generates 22.1 ft-lbs of free recoil in an 8-pound rifle; a .308 168gr load at 2,650 fps generates 16.5 ft-lbs in the same rifle. That puts the .308 just above the traditional 15 ft-lb comfort ceiling for long range sessions and the .30-06 past the 20 ft-lb mark where most shooters start to tire. Less recoil means faster recovery between shots, less flinch for new shooters, and better hits on game. Run your own load and rifle weight in the recoil calculator.

The gap widens as bullet weight climbs, because free recoil rises with both bullet weight and powder charge. A .30-06 launching 200-220gr bullets for elk produces more recoil than any common .308 factory load, which is the cost of that heavy-bullet capability. A gas-operated semi-auto like the Browning BAR spreads the same impulse over a longer time, so a .30-06 BAR feels softer than a bolt gun of the same weight firing the same load.

For deer, the two cartridges are functionally identical and the .308 is the smarter choice for most hunters. A 150gr or 165gr load from either caliber kills whitetail and mule deer cleanly at any ethical range, and the .308's lower recoil and cheaper ammo make it the easier rifle to shoot well. There is no deer alive that can tell the difference between a .308 and a .30-06 bullet at impact.

For elk, moose, and larger game, the .30-06 earns its keep. The ability to push 180gr bullets faster and load 200-220gr projectiles gives it a real energy and penetration margin on heavy-boned animals at extended range. A bonded 175gr Federal Terminal Ascent or an all-copper 180gr Barnes TTSX in .30-06 is the classic elk setup. With a 178gr ELD-X the .30-06 still carries 1,570 ft-lbs at 500 yards, above the common 1,500 ft-lb elk guideline, while the .308 drops below that line just past 400 yards.

Bullet selection matters far more than the caliber stamp. A well-constructed bonded or monolithic bullet in either cartridge outperforms a cheap cup-and-core load in the other. Match the bullet to the game: lead-core ELD-X or Fusion for deer, bonded Terminal Ascent or all-copper TTSX for elk and lead-free zones. For the broader question of how these stack against AR-platform hunting calibers, see the caliber selection guide.

The five loads below are matched pairs, the same bullet and construction in each caliber wherever the factory offers it, so the velocity and energy gap is the only variable. The .30-06 ELD-X and Terminal Ascent are the clearest demonstrations of the cartridge's edge; the .308 versions trail by 130-150 fps. The .308's one standalone win is the budget tier, where 147gr FMJ training ammo runs cheaper and more plentiful than any .30-06 equivalent. For a deeper breakdown of the .308 lineup, see the best .308 ammo guide.

Nearly every popular hunting rifle is offered in both calibers, so the action and stock you want never costs you the chambering you want. The four below cover the full spectrum: the Tikka T3x Lite is the best-shooting mid-tier bolt gun under a grand, the Winchester Model 70 Featherweight is the classic controlled-round-feed walnut rifle, the Savage Axis line is the cheapest ready-to-hunt package with a scope already mounted, and the Browning BAR is the soft-shooting semi-auto for fast follow-ups. For current .30-06 rifle recommendations, see our best .30-06 rifles guide. If you want a .308-class semi-auto in a modern fighting-rifle layout instead, the best .308 rifle guide covers AR-10s and battle rifles, and the AR-15 vs AR-10 comparison breaks down the large-frame semi-auto platform decision.