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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. Sig Sauer .300 Win Mag 190 Grain OTM Match Grade Rifle Ammunition, 20 Rounds - E3WMM1-20

    Sig Sauer .300 Win Mag 190 Grain OTM Match Grade Rifle Ammunition, 20 Rounds - E3WMM1-20

    $49.99 $2.50
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  2. Remington Core-Lokt 150gr PSP 300 Win Mag Ammunition, 20rds - 29495

    Remington Core-Lokt 150gr PSP 300 Win Mag Ammunition, 20rds - 29495

    $44.99 $2.25
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  3. Fort Scott Munitions .300 Win Mag TUI 175GR SCS, 20rds - 300WM175SCV2

    Fort Scott Munitions .300 Win Mag TUI 175GR SCS, 20rds - 300WM175SCV2

    Regular Price $58.99 Special Price $52.99 $2.65
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  4. Hornady Superformance .300 Win Mag 165 gr CX, 20rds

    Hornady Superformance .300 Win Mag 165 gr CX, 20rds

    $62.99 $3.15
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  5. Barnes Harvest .300 Win Mag 180 gr PT 20rds

    Barnes Harvest .300 Win Mag 180 gr PT 20rds

    Regular Price $49.99 Special Price $44.99 $2.25
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  6. Sig Sauer Platinum Hunter .300 Win Mag 180 gr BPT 20rds

    Sig Sauer Platinum Hunter .300 Win Mag 180 gr BPT 20rds

    Regular Price $66.99 Special Price $59.59 $2.98
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  7. Sig Sauer Marksman Hunter .300 Win Mag 165 gr JHPBT 20rds

    Sig Sauer Marksman Hunter .300 Win Mag 165 gr JHPBT 20rds

    $46.99 $2.35
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  8. Swift A-Frame .300 Win Mag 180 gr JSP 20rds

    Swift A-Frame .300 Win Mag 180 gr JSP 20rds

    Regular Price $102.99 Special Price $92.99 $4.65
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  9. Lapua Naturalis .300 Win Mag 170 gr Copper 10rds

    Lapua Naturalis .300 Win Mag 170 gr Copper 10rds

    Regular Price $52.99 Special Price $47.79 $4.78
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  10. Federal Trophy .300 Win Mag 180 gr Copper 20rds

    Federal Trophy .300 Win Mag 180 gr Copper 20rds

    Regular Price $71.99 Special Price $64.99 $3.25
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  11. Federal Barnes .300 Win Mag 165 gr Solid 20rds

    Federal Barnes .300 Win Mag 165 gr Solid 20rds

    Regular Price $69.99 Special Price $62.99 $3.15
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  12. Ammo Inc Hunt .300 Win Mag 180gr SP Rifle Ammo, 20rds

    Ammo Inc Hunt .300 Win Mag 180gr SP Rifle Ammo, 20rds

    Regular Price $48.99 Special Price $43.99 $2.20
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  13. Sellier & Bellot .300 Win Mag 180 gr SPCE 20rds Rifle Ammo for High-Power Performance - SB300B

    Sellier & Bellot .300 Win Mag 180 gr SPCE 20rds Rifle Ammo for High-Power Performance - SB300B

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    Regular Price $28.99 Special Price $25.99 $1.30
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  14. Norma ORYX .300 Win Mag 180 gr Bonded SP 20rds Rifle Ammo for Reliable Big Game Hunting - 20174762

    Norma ORYX .300 Win Mag 180 gr Bonded SP 20rds Rifle Ammo for Reliable Big Game Hunting - 20174762

    Regular Price $48.99 Special Price $43.89 $2.19
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  15. Aguila .300 Win Mag 180 gr BTSP 20rds Rifle Ammo for Superior Long-Range Performance - 82044AG

    Aguila .300 Win Mag 180 gr BTSP 20rds Rifle Ammo for Superior Long-Range Performance - 82044AG

    Regular Price $32.99 Special Price $29.99 $1.50
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  16. Sako Open Tip Match .300 Win Mag 175 gr 20rds Rifle Ammo for Precision Open Tip and Match Shooting - JASTRG300WM175B

    Sako Open Tip Match .300 Win Mag 175 gr 20rds Rifle Ammo for Precision Open Tip and Match Shooting - JASTRG300WM175B

    Regular Price $68.99 Special Price $61.99 $3.10
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  17. Ammo Inc Match .300 Win Mag 220 gr BTHP 20rds Rifle Ammo - 300WM190BTHPA20

    Ammo Inc Match .300 Win Mag 220 gr BTHP 20rds Rifle Ammo - 300WM190BTHPA20

    Regular Price $59.99 Special Price $53.99 $2.70
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  18. HSM Ammunition Tipping Point 2 .300 Win Mag 165 gr Hornady SST Rifle Ammo, 20Rds

    HSM Ammunition Tipping Point 2 .300 Win Mag 165 gr Hornady SST Rifle Ammo, 20Rds

    Regular Price $52.99 Special Price $47.99 $2.40
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  19. Norma Bondstrike .300 Win Mag 180 gr Bonded PT 20rds Rifle Ammo for Big Game Hunting - 20176332

    Norma Bondstrike .300 Win Mag 180 gr Bonded PT 20rds Rifle Ammo for Big Game Hunting - 20176332

    Regular Price $55.99 Special Price $49.79 $2.49
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  20. Barnes Bullets VOR-TX RR .300 Win Mag 130gr TTSXBT Rifle Ammo, 20Rds

    Barnes Bullets VOR-TX RR .300 Win Mag 130gr TTSXBT Rifle Ammo, 20Rds

    Regular Price $67.99 Special Price $60.99 $3.05
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  21. Federal Fusion Tipped .300 Win Mag 180 gr Bonded SP 20rds Rifle Ammo for Effective Hunting - F300WTFS3

    Federal Fusion Tipped .300 Win Mag 180 gr Bonded SP 20rds Rifle Ammo for Effective Hunting - F300WTFS3

    $55.99 $2.80
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  22. Remington Premier Cut .300 Win Mag 180 gr Copper Tipped 20rds Rifle Ammo for Extreme Range Shooting - R22345

    Remington Premier Cut .300 Win Mag 180 gr Copper Tipped 20rds Rifle Ammo for Extreme Range Shooting - R22345

    $57.99 $2.90
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  23. Remington Premier Long Range .300 Win Mag 190 gr Ammo Speer Impact - 20rds - R21346

    Remington Premier Long Range .300 Win Mag 190 gr Ammo Speer Impact - 20rds - R21346

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    $60.99 $3.05
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  24. Remington Core-Lokt .300 Win Mag 180 gr Ammo Copper HP - 20rds - R27858

    Remington Core-Lokt .300 Win Mag 180 gr Ammo Copper HP - 20rds - R27858

    $54.99 $2.75
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Can't find your caliber?

.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.