.300 WIN. MAG AMMO for Sale
Browse .300 Win. Mag Ammo listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
.300 Winchester Magnum (Win. Mag) ammo was introduced in 1963 by Winchester for long-range, high-power shooting. Designed for superior velocity and energy, it excels in big-game hunting and tactical applications. It remains a popular choice for hunters and precision shooters worldwide.
Why It's a Top Choice
- High velocity for extended range
- Heavy bullet weight for deep penetration
- Versatile for hunting large game
- Available in multiple grain weights
- Widely supported by major ammo brands
Key Variants
.300 Win Mag 190 gr
Ideal for lighter recoil and medium-large game, offering flat trajectory and good accuracy.
.300 Win Mag 210 gr
Balances heavy bullet weight and velocity for effective big-game hunting.
.300 Win Mag 225 gr
Offers maximum penetration for dangerous game at longer distances.
Competitor Comparison Table
| Feature | .300 Win Mag Ammo | 7mm Remington Mag | .338 Lapua |
|---|---|---|---|
| Typical MSRP | $1.00 - $2.00 per round | $1.20 - $2.50 per round | $2.50 - $4.00 per round |
| Bullet Weight | 150–225 grains | 140–175 grains | 185–300 grains |
| Typical Velocity (fps) | 2,900–3,200 | 2,900–3,100 | 2,700–3,000 |
| Energy (ft-lb) | 3,900–4,300 | 2,900–3,500 | 4,000–4,700 |
| Penetration | Deep, suitable for large game | Moderate | Very deep, tactical use |
| Notable Pro | Balanced power and availability | Lower recoil | Extreme long-range precision |
| Notable Con | Recoil above average | Less power for largest game | Expensive and hard to find |
Best Use Cases
- Big-game hunting including elk and moose
- Long-range target shooting
- Tactical/sniper rifle applications
- Range and precision practice
- Wildlife management and control
FAQs
Can I use .300 Win Mag ammo for hunting dangerous game?
Yes, the .300 Win Mag's high energy and penetration make it suitable for large and dangerous game at appropriate ranges.
What is the typical recoil of .300 Win Mag ammo?
Recoil is stronger than most standard hunting cartridges, requiring shooter practice for effective control.
How does .300 Win Mag compare to .308 Winchester?
.300 Win Mag offers higher velocity, longer range, and greater energy than .308 Winchester.
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Browning X Bolt Composite Stalker 300 WI
$645.00
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