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300 Win Mag Ammo

Find high-quality 300 Win Mag ammunition for hunting, target shooting, and long-distance shooting at great prices. We offer a wide variety from top brands, with different bullet types like soft point, hollow point, and ballistic tip, so you can choose what works best for you. Whether you're preparing for a big hunt or a day at the range, our 300 Win Mag rounds are reliable, accurate, and powerful. Buy in bulk for even better deals, and enjoy fast shipping and helpful customer service. Count on us for all your 300 Win Mag needs and get ready for your next adventure with confidence.
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  1. HSM Ammunition Tipping Point .300 Win Mag 165 gr Sierra GameChanger - 20rds - 300WM40N

    HSM Ammunition Tipping Point .300 Win Mag 165 gr Sierra GameChanger - 20rds - 300WM40N

    Regular Price $59.99 Special Price $53.99 $2.70
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  2. Federal Premium .300 Win Mag 200 gr Ammo ELD-X - 20rds - P300WELDX1

    Federal Premium .300 Win Mag 200 gr Ammo ELD-X - 20rds - P300WELDX1

    $59.99 $3.00
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  3. Remington Core-Lokt Tipped 180 gr .300 Win Mag Ammunition, 20 Rounds

    Remington Core-Lokt Tipped 180 gr .300 Win Mag Ammunition, 20 Rounds - R29038

    $49.99 $2.50
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  4. Norma Whitetail 300 Win Mag Ammo 150 gr

    Norma Whitetail 300 Win Mag Ammo 150 Grain PSP 20rds - 20177412

    Rating:
    100%
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    Regular Price $37.99 Special Price $33.99 $1.70
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  5. Hornady Precision Hunter 178 gr Extremely Low Drag-Expanding .300 Win Mag Ammo, 20/box - 82041

    Hornady Precision Hunter 178 gr Extremely Low Drag-Expanding .300 Win Mag Ammo, 20/box - 82041

    $60.99 $3.05
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  6. Federal 180 gr Swift Scirocco II .300 Win Mag Ammo - P300WSS1

    Federal 180 gr Swift Scirocco II .300 Win Mag Ammo - P300WSS1

    Rating:
    90%
    (2)
    Regular Price $65.99 Special Price $59.99 $3.00
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  7. Federal 200 gr Terminal Ascent .300 Win Mag Ammo, 20/pack - P300WTA1

    Federal 200 gr Terminal Ascent .300 Win Mag Ammo, 20/pack - P300WTA1

    Rating:
    100%
    (2)
    Regular Price $71.99 Special Price $64.99 $3.25
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  8. Federal Power-Shok 180 gr Copper Hollow Point .300 Win Mag Ammo, 20/box - A300W180LFA

    Federal Power-Shok 180 gr Copper Hollow Point .300 Win Mag Ammo, 20/box - A300W180LFA

    $53.99 $2.70
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  9. Remington Premier 180 gr Swift Scirocco Bonded .300 Win Mag Ammo, 20/box - PRSC300WB

    Remington Premier 180 gr Swift Scirocco Bonded .300 Win Mag Ammo, 20/box - PRSC300WB

    $62.99 $3.15
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  10. Federal Premium Hunter 185 gr Berger Hybrid .300 Win Mag Ammo, 20/box - P300WBCH1

    Federal Premium Hunter 185 gr Berger Hybrid .300 Win Mag Ammo, 20/box - P300WBCH1

    Rating:
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    (3)
    Regular Price $64.99 Special Price $58.99 $2.95
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  11. Federal Premium Barnes TSX 165 gr Triple-Shock X .300 Win Mag Ammo, 20/box - P300WR

    Federal Premium Barnes TSX 165 gr Triple-Shock X .300 Win Mag Ammo, 20/box - P300WR

    Regular Price $71.99 Special Price $64.99 $3.25
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  12. Federal Premium Barnes TSX 180 gr Triple-Shock X .300 Win Mag Ammo, 20/box - P300WP

    Federal Premium Barnes TSX 180 gr Triple-Shock X .300 Win Mag Ammo, 20/box - P300WP

    $60.99 $3.05
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  13. Swift Bullet Company Scirocco 180 gr Spitzer Boat Tail .300 Win Mag Ammo, 20/box - 10042

    Swift Bullet Company Scirocco 180 gr Spitzer Boat Tail .300 Win Mag Ammo, 20/box - 10042

    Regular Price $106.99 Special Price $95.99 $4.80
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  14. Berger Bullets 168 gr Open Tip Match .300 Win Mag Ammo, 20/box - 70010

    Berger Bullets 168 gr Open Tip Match .300 Win Mag Ammo, 20/box - 70010

    Regular Price $92.99 Special Price $83.99 $4.20
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  15. HSM Ammunition Trophy Gold 210 gr Match Hunting Very Low Drag .300 Win Mag Ammo, 20/box - BER-300WM210VLD

    HSM Ammunition Trophy Gold 210 gr Match Hunting Very Low Drag .300 Win Mag Ammo, 20/box - BER-300WM210VLD

    Regular Price $73.99 Special Price $66.99 $3.35
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  16. HSM Ammunition Trophy Gold 185 gr Match Hunting Very Low Drag .300 Win Mag Ammo, 20/box - BER-300WM185VLD

    HSM Ammunition Trophy Gold 185 gr Match Hunting Very Low Drag .300 Win Mag Ammo, 20/box - BER-300WM185VLD

    Regular Price $72.99 Special Price $65.99 $3.30
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  17. HSM Ammunition Trophy Gold 168 gr Match Hunting Very Low Drag .300 Win Mag Ammo, 20/box - BER-300WM168VLD

    HSM Ammunition Trophy Gold 168 gr Match Hunting Very Low Drag .300 Win Mag Ammo, 20/box - BER-300WM168VLD

    Regular Price $71.99 Special Price $64.99 $3.25
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  18. HSM Ammunition Game King 165 gr Spitzer Boat Tail .300 Win Mag Ammo, 20/box - HSM-300WinMAG-40-N

    HSM Ammunition Game King 165 gr Spitzer Boat Tail .300 Win Mag Ammo, 20/box - HSM-300WinMAG-40-N

    Regular Price $59.99 Special Price $53.99 $2.70
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  19. HSM Ammunition Game King 180 gr Spitzer Boat Tail .300 Win Mag Ammo, 20/box - HSM-300WinMAG-41-N

    HSM Ammunition Game King 180 gr Spitzer Boat Tail .300 Win Mag Ammo, 20/box - HSM-300WinMAG-41-N

    Regular Price $72.99 Special Price $65.99 $3.30
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  20. Fiocchi Hyperformance .300 Win Mag 180 gr Swift Scirocco II Boat Tail Spitzer Ammo, 20/box - 300WMSCA

    Fiocchi Hyperformance .300 Win Mag 180 gr Swift Scirocco II Boat Tail Spitzer Ammo, 20/box - 300WMSCA

    Regular Price $61.99 Special Price $55.79 $2.79
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  21. Fiocchi Hyperformance .300 Win Mag 190 gr Sierra MatchKing Ammo, 20rds - 300WMMKE

    Fiocchi Hyperformance .300 Win Mag 190 gr Sierra MatchKing Ammo, 20rds - 300WMMKE

    $64.99 $3.25
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  22. Fiocchi Extrema Rifle Line 180 gr SST Polymer Tip BT .300 Win Mag Ammo, 20/box - 300WMHSA

    Fiocchi Extrema Rifle Line 180 gr SST Polymer Tip BT .300 Win Mag Ammo, 20/box - 300WMHSA

    Regular Price $60.99 Special Price $54.29 $2.71
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  23. Barnes Bullets Precision 220 gr Open Tip Match Boat Tail .300 Win Mag Ammo, 20/box - 30740

    Barnes Bullets Precision 220 gr Open Tip Match Boat Tail .300 Win Mag Ammo, 20/box - 30740

    Regular Price $73.99 Special Price $66.99 $3.35
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  24. Barnes Bullets VOR-TX LR 190 gr LRX Boat Tail .300 Win Mag Ammo, 20/box - 29013

    Barnes Bullets VOR-TX LR 190 gr LRX Boat Tail .300 Win Mag Ammo, 20/box - 29013

    Regular Price $68.99 Special Price $61.99 $3.10
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.300 Winchester Magnum FAQ

What is the .300 Winchester Magnum?

The Winchester Magnum, also known as 300 Win Mag, is a strong and flexible rifle cartridge. The Winchester Repeating Arms Company created it in 1963. Renowned for its flat trajectory, high velocity, and impressive energy, it is a favorite among hunters, long-range shooters, and competitive marksmen. This cartridge is based on a modified .375 H&H Magnum case, necked down to accept a .308-inch diameter bullet, making it suitable for a wide range of shooting applications.

What Are the Common Uses for This Cartridge?

  1. Big Game Hunting: It is a top choice for hunting large game such as elk, moose, bear, and deer. Its high velocity and energy ensure deep penetration and reliable expansion, making it effective at longer ranges.
  2. Long-Range Shooting: This cartridge has a flat path and keeps its energy well. It is great for long-range target shooting and precision rifle competitions.
  3. Tactical and Military Uses: Some military and police units use it for snipers and designated marksmen. This is because of its accuracy and stopping power over long distances.

What Bullet Types Are Available?

  1. Soft Point (SP): Ideal for hunting, these bullets expand upon impact, creating a larger wound channel for quick, humane kills.
  2. Ballistic Tip: These bullets have a spitzer shape and a polymer tip. This design helps with accuracy and controlled expansion and are popular for hunting and long-range shooting.
  3. Hollow Point (HP): Designed for maximum expansion so shooters often use them in target shooting and some hunting scenarios.
  4. Full Metal Jacket (FMJ): Shooters often use FMJs for target practice and training. They feed reliably and expand less.
  5. Bonded and Partitioned Bullets: These premium hunting options are engineered for deep penetration and high weight retention, making them ideal for large or tough game.

What Grain Weights Are Common?

  1. 150-165 Grains: Lighter bullets travel faster and have flatter paths. This makes them good for medium game and long-range shooting.
  2. 180 Grains: This is the most common weight, offering a balance of velocity, energy, and penetration. It's ideal for a wide range of hunting applications.
  3. 200-220 Grains: Heavier bullets provide deeper penetration and are preferred for large or dangerous game, as well as for shooting at extreme distances.

How Does It Compare to Other Popular Rifle Cartridges?

  1. Versus .308 Winchester: This magnum round has a much higher speed and power. It is better for long-range shooting and larger game.
  2. Versus .30-06 Springfield: Both use the same bullet diameter, but the .300 Winchester Magnum has a larger case capacity, resulting in higher velocities and flatter trajectories.
  3. Versus 7mm Remington Magnum: The .300 Win Mag usually offers heavier bullets and more energy. However, the 7mm Rem Mag is known for its flatter path with lighter bullets.

What Should You Consider When Choosing This Ammunition?

  1. Intended Use: Choose bullet type and weight based on your primary application?hunting, target shooting, or tactical use.
  2. Rifle Compatibility: Make sure your firearm is designed for this cartridge. It should also handle the bullet weight and load you choose.
  3. Recoil Management: The .300 Winchester Magnum produces substantial recoil. Consider using a rifle with a muzzle brake or recoil pad, especially for extended shooting sessions.
  4. Brand and Quality: Opt for reputable manufacturers known for consistent performance and reliability, such as Federal, Hornady, Winchester, Remington, and Nosler.

What Are the Ballistics?

  1. Muzzle Velocity: Ranges from 2,900 to 3,300 feet per second (fps), depending on bullet weight and load.
  2. Muzzle Energy: Can exceed 3,500 foot-pounds (ft-lbs), providing ample stopping power for large game.
  3. Effective Range: Maintains accuracy and energy at distances beyond 1,000 yards, making it a top choice for long-range shooting.

How Should You Store This Ammunition?

  1. Cool, Dry Environment: Store in a climate-controlled area to prevent corrosion and degradation.
  2. Ammunition Cans: Use sealed, airtight containers to protect against moisture and contaminants.
  3. Original Packaging: Keep in original boxes to easily identify caliber, bullet type, and lot numbers.
  4. Safe Storage: Store separately from firearms and out of reach of unauthorized users.

Why Buy from Palmetto State Armory?

Palmetto State Armory offers a wide selection of .300 Winchester Magnum ammunition from trusted brands?all at competitive prices. Whether you're gearing up for your next big game hunt, spending a day at the range, or preparing for a precision shooting competition, you'll find the right ammo to meet your needs.

With fast shipping, expert customer support, and the confidence of shopping with one of the nation's most respected names in firearms and shooting supplies, Palmetto State Armory is your go-to source for quality magnum rifle ammunition.

Explore our full selection today and experience the power, accuracy, and reliability that have made the .300 Win Mag a favorite among serious shooters across the country.