Product SKU # :TSX300DS2 |  MPN: X300DS2  | UPC # :020892234093

Winchester Ammunition 

Winchester Deer Season XP 300 Win Mag Ammo 180 Grain Polymer Tip - X300DS2

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Winchester Deer Season XP 300 Win Mag Ammo 180 Grain Polymer Tip - X300DS2
USDTargetSportsUSA39.99
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USDTargetSportsUSA399.90
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AVAILABLE : 16 in stock
AVAILABLE : 1 in stock

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You must be 21 years or older to order ammunition. Ammunition must ship UPS ground. Due to safety considerations and legal/regulatory reasons, Ammunition may not be returned. Please check local laws before ordering. By ordering this Ammunition, you certify you are of legal age and satisfy all federal, state and local legal/regulatory requirements to purchase this Ammunition.

Winchester Deer Season XP 300 Win Mag Ammunition 180 Grain Polymer Tip - X300DS2

The Winchester Deer Season XP .300 Winchester Magnum 180-grain Polymer Tip is purpose-built for hunters who demand precision accuracy and powerful terminal performance in the field. Designed specifically for deer hunting, this 300 Win Mag ammo features a streamlined polymer-tipped bullet engineered for flat trajectories and rapid expansion. Its contoured jacket and alloyed lead core are tuned to balance penetration with explosive energy transfer, ensuring quick, ethical harvests. With a muzzle velocity of 2,950 fps and muzzle energy of 3,478 ft-lbs, this load delivers the reach, speed, and stopping power that modern hunters expect from their 300 Win Mag rifles.

Features and Specifications:

  • Purpose-Built for Deer Hunting: Developed specifically for whitetail, mule deer, and similar game, providing hunters with a blend of precision, accuracy, and proven on-game results.
  • Aerodynamic Polymer Tip: The streamlined profile enhances ballistic efficiency for flatter trajectories, while the polymer tip initiates controlled, uniform expansion on impact for dependable terminal effect.
  • Controlled Expansion and Energy Transfer: The polymer tip compresses into the bullet’s cavity upon impact, forcing the contoured jacket and lead core to expand in a controlled manner for optimal wound channels.
  • Consistent Accuracy: High-quality propellants and precision primers deliver uniform velocities, helping ensure repeatable shot placement and predictable downrange performance.
  • Long-Range Retention: With a ballistic coefficient of 0.422, this bullet resists drag and wind drift, maintaining velocity and energy across extended hunting ranges.
  • Packaging Options: Sold in boxes of 20 rounds or cases of 200 rounds. Bulk case purchases include free shipping through Target Sports USA.

Deep Dive

Overview

This 300 Winchester Magnum deer hunting ammo is ideal for hunters targeting medium-sized game across varied environments, from open plains to dense woodlands. The polymer-tipped design ensures predictable expansion without excessive fragmentation, making it suitable for ethical, one-shot harvests. Its combination of speed, power, and accuracy gives hunters the flexibility to take confident shots at extended ranges while maintaining reliable terminal performance. Built for precision rifles chambered in 300 Win Mag, it’s an excellent choice for hunters who value consistency and effectiveness in every round.

History and Development

Winchester designed the Deer Season XP line to simplify ammunition choice for dedicated deer hunters. Drawing on decades of ballistic innovation, the XP bullet merges modern polymer-tip technology with the proven effectiveness of a contoured jacket and alloyed lead core. This formula provides the consistency and impact performance hunters demand, ensuring each cartridge performs with the reliability that has made Winchester a trusted name in American hunting for generations.

Common Questions and FAQs

  • What type of game is this round designed for?
    The Deer Season XP .300 Win Mag is specifically optimized for deer-sized game but is effective on similar medium game species where expansion and energy transfer are key.
  • How does the polymer tip affect expansion?
    On impact, the polymer tip is driven into the bullet’s core, initiating expansion in a controlled and reliable manner for consistent terminal performance.
  • What is the muzzle velocity and energy?
    It achieves a muzzle velocity of 2,950 fps with 3,478 ft-lbs of energy.
  • How is this ammo packaged?
    Available in 20-round boxes and 200-round bulk cases. All bulk case purchases include free shipping through Target Sports USA.
  • Is this suitable for longer-range shots?
    Yes, with a high ballistic coefficient of 0.422, the load maintains excellent accuracy and energy retention at extended ranges.

The 'Round Up'

Perfect Fit for:

  • Hunting

Why It Stands Out:

The Winchester Deer Season XP .300 Winchester Magnum 180-grain Polymer Tip offers the perfect combination of accuracy, controlled expansion, and stopping power for serious deer hunters. The polymer tip design enhances ballistic efficiency and ensures reliable expansion upon impact, while the bullet’s contoured jacket and alloyed core deliver devastating on-target results. With high muzzle velocity, flat trajectory, and dependable consistency, this 300 Win Mag ammo is a trusted choice for hunters seeking accuracy and terminal performance in one well-engineered cartridge. Available in boxes of 20 and bulk cases of 200 (with free shipping on bulk orders), Winchester Deer Season XP remains a top performer in the field.

Field Details
MPNX300DS2
UPC020892234093
ManufacturerWinchester
PlatformRifle
Ammo ApplicationHunting
Ammo TypePolymer Tip
Caliber300 Win Mag
Grain Weight180
Quantity Per PackageBox of 20 / Case of 200
Test Barrel LengthNot Provided
Muzzle Velocity2950 fps
Muzzle Energy3478 ft.lbs
Ballistic Coefficient (G1).422
Case TypeBrass
Primer TypeBoxer
CorrosiveNo
ReloadableYes
Lead FreeNo
Staked PrimerNo
Country of OriginUSA

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Attention Ammunition Buyers You must be 21 years or older to order ammunition. Ammo must ship UPS/FedEx Ground. For safety reasons, we cannot accept returns on ammo. Always, make sure that you use the correct ammunition for your gun. Please check local laws before ordering.


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Ammo Shipping Zones
Target Sports USA only ships ammo to Contiguous 48 states only. We do not ship ammo to Alaska & Hawaii 
   
Proposition 65 Warning
 This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov.

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Comments and Reviews on Winchester Deer Season XP 300 Win Mag Ammo 180 Grain Polymer Tip - X300DS2
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No issues with this ammo from Winchester Deer Season! Great shipping from TSUSA!
Reviewed by David  D
11/21/2025 1:37:39 PM

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About Winchester Ammunition

Winchester Ammunition is proudly made in the USA and is one of the most iconic and trusted names in the firearms industry, delivering over 150 years of innovation, reliability, and performance. Known for legendary product lines like Winchester Super-X, Winchester Deer Season XP, and Smith & Wesson, USA Winchester White Box, Winchester offers a full range of handgun, rifle, and shotgun ammunition tailored for hunting, defense, and target shooting. Built with consistent quality and precision engineering, Winchester rounds are favored by professionals and recreational shooters alike. Target Sports USA carries bulk Winchester Ammo with free shipping and great pricing on popular calibers like 9mm Luger ammo, .223 Rem ammo, 12 Gauge ammo, .40 s&w ammo, and 308 Winchester ammo.

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