The 308 Winchester, also known as 7.62×51 NATO, stands as one of the most versatile and widely used rifle cartridges in history. Developed in 1952 by Winchester for military applications, it quickly transitioned into the civilian market due to its balanced performance, manageable recoil, and excellent accuracy in short-action rifles. This caliber excels in hunting medium to large game, long-range target shooting, and tactical scenarios, making it a staple for reloaders and shooters alike. This article focuses specifically on ballistics, providing a detailed examination of external factors like trajectory, wind resistance, and energy retention, as well as wound ballistics to highlight terminal effects on game. The goal is to equip hunters and reloaders with a clear ballistic understanding to optimize loads for ethical and effective use. For more on its history and specs, check our 308 Winchester complete guide.
Core External Ballistics
The 308 Winchester employs a range of bullet weights from 150 to 180 grains, with muzzle velocities typically between 2600 and 2820 feet per second depending on the load. Lighter bullets like 150-grain options offer flatter trajectories for faster target acquisition at medium ranges, while heavier 168- and 180-grain bullets provide better energy retention and wind resistance for extended distances. This caliber remains supersonic well beyond 800 yards in most configurations, ensuring stable flight and predictable performance. Data drawn from major manufacturers like Federal and Hornady shows consistent results across loads, with high ballistic coefficients aiding long-range precision. For deeper comparisons, see our 308 Winchester ballistics at 1000 yards and 308 Winchester vs 6.5 Creedmoor.
Bullet Drop to 1000 Yards
| Range (Yards) | 150gr (inches) | 165gr (inches) | 168gr (inches) | 180gr (inches) |
|---|---|---|---|---|
| 100 | 0 | 0 | 0 | 0 |
| 200 | -3.5 | -3.8 | -3.6 | -4.0 |
| 300 | -13.0 | -13.5 | -13.2 | -14.2 |
| 400 | -29.5 | -30.5 | -29.8 | -32.0 |
| 500 | -54.0 | -55.5 | -54.2 | -57.5 |
| 600 | -87.0 | -89.0 | -87.5 | -92.0 |
| 700 | -130.0 | -133.0 | -130.5 | -136.0 |
| 800 | -184.0 | -188.0 | -184.5 | -192.0 |
| 900 | -250.0 | -255.0 | -250.5 | -260.0 |
| 1000 | -330.0 | -335.0 | -330.5 | -340.0 |
These numbers reveal the 308 Winchester’s practical trajectory for hunting and precision shooting. With a 100-yard zero, lighter 150-grain loads show slightly less drop at mid-ranges due to higher initial velocity, making them ideal for 200-400 yard shots on deer or predators where quick adjustments matter. However, heavier 168- and 180-grain bullets maintain better stability beyond 500 yards, with drops around -330 to -340 inches at 1000 yards, allowing ethical long-range engagement when dialed correctly. Ballistic limitations emerge around 700-800 yards, where environmental factors like air density amplify variances, demanding precise range finding. For hunting, realistic ranges top at 400-500 yards for most setups to ensure humane kills, while defensive applications favor flatter-shooting loads inside 300 yards. Compare this to other calibers in our 308 Win vs 30-06 Springfield and 308 Winchester vs 7mm-08 Remington.
Wind Drift (10 mph Crosswind)
| Range (Yards) | 150gr (inches) | 165gr (inches) | 168gr (inches) | 180gr (inches) |
|---|---|---|---|---|
| 100 | 0.8 | 0.7 | 0.6 | 0.6 |
| 200 | 3.5 | 3.2 | 3.0 | 2.9 |
| 300 | 8.0 | 7.5 | 7.0 | 6.8 |
| 400 | 15.0 | 14.0 | 13.2 | 12.8 |
| 500 | 24.5 | 23.0 | 21.5 | 20.5 |
| 600 | 36.0 | 34.0 | 32.0 | 30.5 |
| 700 | 51.0 | 48.0 | 45.0 | 43.0 |
| 800 | 69.0 | 65.0 | 61.0 | 58.0 |
| 900 | 90.0 | 85.0 | 80.0 | 76.0 |
| 1000 | 115.0 | 108.0 | 102.0 | 97.0 |
Heavier bullets like the 168- and 180-grain options resist wind better, showing 10-15 inches less drift at 1000 yards compared to lighter 150-grain loads, thanks to higher ballistic coefficients. This makes them preferable for open-country hunting where crosswinds exceed 5 mph. Practical accuracy diminishes beyond 600 yards without skilled wind reading, as drifts over 30 inches can miss vital zones on game. For supersonic shooting, expect reliable holds inside 500 yards; beyond that, environmental tools become essential. Realistic expectations include adjusting for full-value winds to maintain ethical shots. Explore wind strategies in our how to choose the right caliber for hunting and long-range hunting calibers guide.
Energy Retention
| Range (Yards) | 150gr (ft-lbs) | 165gr (ft-lbs) | 168gr (ft-lbs) | 180gr (ft-lbs) |
|---|---|---|---|---|
| 0 | 2800 | 2750 | 2620 | 2700 |
| 100 | 2400 | 2350 | 2250 | 2300 |
| 200 | 2050 | 2000 | 1920 | 1950 |
| 300 | 1750 | 1700 | 1630 | 1650 |
| 400 | 1480 | 1440 | 1380 | 1400 |
| 500 | 1250 | 1220 | 1170 | 1180 |
| 600 | 1050 | 1020 | 980 | 990 |
| 700 | 880 | 860 | 820 | 830 |
| 800 | 740 | 720 | 690 | 700 |
| 900 | 620 | 600 | 580 | 590 |
| 1000 | 520 | 500 | 480 | 490 |
Energy decays steadily, with all loads retaining over 1000 ft-lbs to 500-600 yards, sufficient for ethical kills on deer-sized game. Heavier bullets hold energy better at distance due to mass, but lighter ones deliver higher initial impact. Differences are minimal in supersonic ranges, but below 1200 ft-lbs, expansion may falter in non-bonded bullets. Ethical hunting ranges limit to 400-500 yards for reliable terminal effects, preventing wounding. Certain loads maintain expansion thresholds longer, enhancing versatility. For more on retention, review our 300 Winchester Magnum ballistics comparison and big game hunting caliber guide.
Wound Ballistics (Expanded Practical Section)
Bullet design plays a critical role in the 308 Winchester’s terminal performance, determining expansion, penetration, and tissue disruption. Supersonic loads create significant hydrostatic shock for quick kills, while designs vary in how they handle velocity loss at range. This section aims to provide practical guidance on terminal effects, helping reloaders select bullets for specific game and distances. For gel-testing insights, see our Barnes TTSX review and Nosler Partition breakdown.
Bullet Performance Profiles (5 Most Common Loads)
Hornady ELD-X
- Type – Polymer-tipped bonded bullet with Heat Shield for consistent expansion.
- Behavior – Expands reliably in gel, creating wide wound channels with 50-60% retention at low velocities.
- Use – Suited for deer, elk, and long-range hunting on medium to large game.
- Effective Range – 100-600 yards.
- Short Summary – Versatile for all-range performance, balancing expansion and penetration.
More details available in our dedicated Hornady ELD-X bullet profile page.
Nosler Partition
- Type – Dual-core soft point with partitioned jacket for controlled expansion.
- Behavior – Front core fragments for shock, rear penetrates deeply in tissue tests.
- Use – Ideal for big game like hogs and bears, ensuring pass-throughs.
- Effective Range – 50-400 yards.
- Short Summary – Legendary reliability for tough game, minimizing meat loss.
More details available in our dedicated Nosler Partition bullet profile page.
Barnes TTSX
- Type – All-copper monolithic with tipped design for rapid expansion.
- Behavior – Petals open wide in gel, achieving deep penetration with near-100% retention.
- Use – Perfect for ethical hunts on deer and predators, lead-free option.
- Effective Range – 100-500 yards.
- Short Summary – Consistent terminal effects, ideal for regulated areas.
More details available in our dedicated Barnes TTSX bullet profile page.
Sierra GameKing
- Type – Soft-point boat-tail for balanced expansion.
- Behavior – Creates moderate wound channels in tissue, with good fragmentation on impact.
- Use – Best for medium game like deer and varmints at closer ranges.
- Effective Range – 50-300 yards.
- Short Summary – Affordable and effective for versatile hunting.
More details available in our dedicated Sierra GameKing bullet profile page.
Federal Fusion
- Type – Bonded soft point for weight retention.
- Behavior – Expands consistently in gel, penetrating 18-24 inches with minimal fragmentation.
- Use – Suited for hogs, deer, and general big game hunting.
- Effective Range – 100-400 yards.
- Short Summary – Reliable bonded performance for clean kills.
More details available in our dedicated Federal Fusion bullet profile page.
Practical Summary
For predators like coyotes, lighter bullets such as the Sierra GameKing in 150-grain loads deliver quick expansion and minimal over-penetration inside 300 yards. On hogs and deer, opt for bonded options like Federal Fusion or Barnes TTSX in 165-180 grains for deeper penetration through tough hides and bones, ensuring ethical drops. While the 308 Winchester handles subsonic suppressed use with specialized loads, standard supersonic configurations shine in unsuppressed hunting. Range discipline is key – limit shots to 400-500 yards to maintain energy above 1000 ft-lbs for reliable expansion. Bullet choice defines terminal results more than velocity alone, so match designs to game size and distance for optimal outcomes. To dive deeper, explore our 308 Win vs 30-30 Win, small game caliber guide, and Berger Elite Hunter review.
Readers are encouraged to explore related articles for deeper analysis, such as our detailed wound-ballistics breakdowns in Hornady ELD-X, gel-testing results via Nosler Partition, extended ballistic charts in 308 Winchester at 1000 yards, and individual bullet reviews like Sierra GameKing.
