Winchester .300 Short Magnum, 180 Grain Copper Impact Polymer Tip, Rifle Ammunition

Winchester .300 Short Magnum, 180 Grain Copper Impact Polymer Tip, Rifle Ammunition – Lead-Free Magnum Power, Devastating Accuracy, & Unmatched Performance

Designed for serious hunters who demand long-range accuracy, powerful energy transfer, and environmentally conscious construction, the Winchester .300 Short Magnum 180 Grain Copper Impact Polymer Tip Rifle Ammunition delivers it all. Featuring a lead-free solid copper bullet with an advanced polymer tip, this round is built for deep penetration, explosive expansion, and devastating terminal performance. Engineered for maximum effectiveness on large game, the .300 WSM Copper Impact is ideal for backcountry hunters and shooters who need a reliable, high-impact solution in lead-restricted areas.

Key Features & Benefits

• • 180 Grain Lead-Free Copper Impact Bullet

This monolithic copper bullet is engineered for hunters who want maximum weight retention, deep penetration, and regulatory compliance in lead-restricted regions like California. Perfect for elk, mule deer, and black bear.

• • Large-Diameter Polymer Tip for Rapid Expansion

The oversized polymer tip initiates fast and reliable expansion upon impact, creating a wider wound channel for quick, ethical takedowns at close or extended range.

• • Magnum Performance in a Short-Action Cartridge

Offering magnum-level energy and ballistics, the .300 WSM gives you the advantage of flatter trajectories, lighter rifle platforms, and faster cycling compared to long-action magnums.

• • Flat Shooting with High Energy Retention

With muzzle velocities over 2,950 fps, this round maintains impressive accuracy and knockdown power out past 500 yards, making it ideal for long-range mountain hunts and open terrain engagements.

• • Reloadable Brass & Clean Performance

Loaded with high-quality reloadable brass casings and clean-burning propellants, this ammo delivers smooth feeding, consistent ignition, and reduced fouling.

• • Made in the USA by Winchester

Backed by over 150 years of American ammunition expertise, every round is made under strict quality control for dependable results in the field.

Specifications:

• • Brand: Winchester

• • Caliber: .300 Winchester Short Magnum (WSM)

  • Bullet Weight: 180 Grain

  • Bullet Type: Copper Impact Polymer Tip (Lead-Free)

  • Cartridge Case Material: Brass, Reloadable

  • Muzzle Velocity: 2,900 fps

  • Muzzle Energy: 3,361 ft-lbs.

  • Ballistic Coefficient: 0.47

  • Rounds Per Box: 20

  • Made For: Big game Hunting such as Deer, Elk, and Black Bears

  • Compatibility: Rifles Chambered in .300 Winchester Short Magnum

  • Country of Origin: USA

Warranty & Support:

Winchester stands behind the quality of their ammunition, and will address customer concerns regarding product defects or issues. For assistance or product support, contact Winchester customer service directly.

Why Choose Winchester .300 WSM 180 Grain Copper Impact Ammo?

When you're hunting tough game at long range, you need ammunition that delivers both terminal devastation and environmental compliance. The Copper Impact bullet offers both—without sacrificing velocity, accuracy, or energy retention. Combined with the short-action efficiency of the .300 WSM platform, this round gives you the perfect blend of speed, precision, and stopping power.

**WARNING:** This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov

Federal law mandates that you must be at least 18 years old to purchase rifles, shotguns, and their respective ammunition, and at least 21 years old to purchase all other firearms and ammunition. Ammunition will be shipped via ground service by the carrier of our choice to the contiguous 48 states only. A street address is required for delivery. There is no option for shipping ammunition to international customers.

For safety reasons, we do not accept returns on ammunition with no exception. Always make sure you are using the correct ammunition and firearms. No Exceptions.

DNW Outdoors customers in La, DC, MN, PA, NY, NJ, MA, IL, CT, and CA should check with their local laws for ammunition restrictions before placing an order.

DNW Outdoors reserves the right to ask for proof of age when buying age restricted items such as ammunition and firearms. No Exceptions.