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Hornady 300 Win Mag Ammo For Sale

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Stock up on Hornady 300 Win Mag ammo for big game hunting and long-range shooting. Compare Hornady 300 Win Mag loads by bullet type, grain weight, quantity, and price to find the best option for your bolt-action rifle. Learn More
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  1. Hornady 300 Win Mag Ammo - 20 Rounds of 150 Grain SP Ammunition

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    $34.99
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    86 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3275 FPS
    Muzzle Energy 3572 ft lbs
    • 20 Rounds
    • $1.75 per round
    • Made by Hornady

  2. Hornady American Whitetail 300 Win Mag Ammo - 20 Rounds of 180 Grain InterLock Ammunition

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    $37.99
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    26 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Spire Point
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2960 FPS
    Muzzle Energy 3501 ft lbs
    • 20 Rounds
    • $1.9 per round
    • Made by Hornady

  3. 300 Winchester Magnum - 165 Grain SST - Hornady American Whitetail Tipped - 20 Rounds

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    $39.99
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    72 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SST
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3150 FPS
    Muzzle Energy 3635 ft lbs
    • 20 Rounds
    • $2 per round
    • Made by Hornady

  4. Hornady Superformance 300 Win Mag Ammo - 20 Rounds of 180 Grain SST Ammunition

    Image of Hornady Superformance 300 Win Mag Ammo - 20 Rounds of 180 Grain SST Ammunition
    $53.99

    1 Review

    72 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SST
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3130 FPS
    Muzzle Energy 3917 ft lbs
    • 20 Rounds
    • $2.7 per round
    • Made by Hornady

  5. Hornady Superformance 300 Winchester Magnum Ammo - 20 Rounds of 165 Grain CX Ammunition

    Image of Hornady Superformance 300 Winchester Magnum Ammo - 20 Rounds of 165 Grain CX Ammunition
    $57.99
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    10 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type CX
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3260 FPS
    Muzzle Energy 3893 ft lbs
    • 20 Rounds
    • $2.9 per round
    • Made by Hornady

  6. Hornady Precision Hunter 300 Win Mag Ammo - 20 Rounds of 200 Grain ELD-X Ammunition

    Image of Hornady Precision Hunter 300 Win Mag Ammo - 20 Rounds of 200 Grain ELD-X Ammunition
    $58.99
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    82 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type ELD-X
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 2850 FPS
    Muzzle Energy 3607 ft lbs
    • 20 Rounds
    • $2.95 per round
    • Made by Hornady

  7. Hornady American Whitetail 300 Win Mag Ammo - 200 Rounds of 150 Grain InterLock SP Ammunition

    Image of Hornady American Whitetail 300 Win Mag Ammo - 200 Rounds of 150 Grain InterLock SP Ammunition
    $328.99
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    21 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type SP
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 3275 FPS
    Muzzle Energy 3572 ft lbs
    • 200 Rounds
    • $1.64 per round
    • Made by Hornady

Overview of Hornady 300 Win Mag Ammo

Hornady's 300 Winchester Magnum lineup is built for the two things the cartridge does best: long-range hunting and precision shooting. The Precision Hunter load pairs the high-BC ELD-X bullet with Superformance-class velocity for controlled expansion from close range out past 400 yards, while the Outfitter line runs the monolithic CX bullet for hunters who need a lead-free, deep-penetrating option for elk and larger game.

On the target side, Hornady's Match load drives the ELD Match bullet - the same projectile family used by competitive long-range shooters - to wring the 300 Win Mag's flat trajectory and wind resistance out to distance. For a magnum that already hits above its weight on energy and reach, Hornady's bullet technology is a big part of why it remains a favorite of Western hunters and precision rifle shooters.

Why shooters choose Hornady 300 Win Mag

  • Long-range hunting: the ELD-X bullet in Precision Hunter holds up close and expands reliably at distance.
  • Lead-free option: Outfitter with the CX bullet meets copper-only regulations and penetrates deep.
  • Match accuracy: ELD Match loads are built for consistency at long range.
  • Big-game energy: a proven elk and large-game magnum with velocity to spare.

Related 300 Win Mag selections and brands

300 Win Mag guides and comparisons

For load-by-load data - including Hornady's numbers alongside Federal, Winchester, and Nosler - see our 300 Win Mag ballistics database and our 300 Win Mag recoil breakdown.

Customer Reviews

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Hornady Superformance 300 Win Mag Ammo - 20 Rounds of 180 Grain SST Ammunition
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  • Pew Pew Pew said:

    I’ve shot 4 Kansas Whitetails & my last Bull Elk using 300 win mag SST 180 Hornby rounds all humane neck shots 1 over 400 yards & never had to track any game they fall wear you hit them .