Winchester Copper Impact Extreme Point .300 WSM 180gr Rifle Ammunition

When accuracy, expansion, and ethical performance matter most, trust Winchester Copper Impact Extreme Point .300 WSM 180gr Rifle Ammunition to deliver results. This premium, lead-free hunting round combines Winchester’s trusted performance with advanced copper projectile technology, engineered for maximum expansion, weight retention, and knockdown power on big game.

Product Description

Designed for serious hunters who demand dependable, environmentally friendly performance, this .300 Winchester Short Magnum (WSM) ammunition features the Extreme Point Copper Solid bullet. Its large-diameter polymer tip initiates rapid expansion upon impact, creating a devastating wound channel. The monolithic copper construction ensures deep penetration and nearly 100% weight retention—perfect for tough, thick-skinned game at medium to long range.

Whether you’re hunting elk, moose, or deer in lead-restricted zones or wide open terrain, Copper Impact ammunition provides the ethical, powerful performance today’s hunters need.

Key Features

Extreme Point Copper Solid Bullet – Oversized polymer tip accelerates expansion for massive energy transfer
Lead-Free Construction – Safe for use in areas with environmental restrictions; retains nearly 100% weight
180-Grain Projectile – Heavy, hard-hitting load ideal for big game like elk and moose
Sleek Ballistic Profile – Delivers flatter trajectories and high retained energy downrange
Nickel-Plated Brass Case – Corrosion-resistant for smooth chambering and reliability in harsh field conditions
Precision Manufacturing – Built with consistent powder charges and premium primers for accuracy shot after shot

Specifications

• Caliber: .300 Winchester Short Magnum (WSM)

• Bullet Weight: 180 grains

• Bullet Type: Extreme Point Copper Solid

• Construction: Lead-free, monolithic copper

• Tip Type: Large-diameter polymer tip

• Muzzle Velocity: ~2,970 fps (varies by barrel length)

• Ballistic Coefficient (G1): Approx. 0.484

• Casing: Nickel-plated brass

• Usage: Big game hunting (elk, deer, moose)

• Rounds per Box: Typically 20

Benefits

• Expands quickly for rapid energy dump and ethical kills

• Maintains structural integrity to punch through bone and muscle

• Delivers flat trajectories for improved long-range accuracy

• Meets regulations in areas requiring non-toxic projectiles

• Reliable feeding and extraction in bolt-action and semi-auto rifles

Usage Instructions

For use only in rifles chambered for .300 Winchester Short Magnum. Sight-in with this specific load before your hunt for optimal accuracy. Store in a cool, dry environment to maintain cartridge integrity.

Warranty

Winchester ammunition is backed by the manufacturer’s quality assurance and customer service support. Contact Winchester for further assistance regarding performance or product-related inquiries.

Take your hunt to the next level with Winchester Copper Impact Extreme Point .300 WSM 180gr Rifle Ammunition—built for power, precision, and ethical performance in any terrain. Order today and experience lead-free confidence in the field.

Ammunition Shipping Disclaimer:

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 for your firearm.

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.

Due to New York State Law requiring a NICS background check at the time of ammunition purchase DNW Outdoors will not be able to sell and ship ammunition to the State of New York. 

Residents of Illinois purchasing ammunition must provide proof of a FOID card via email  at onlinesales1@dnwoutdoors.com with the subject line FOID before ammunition purchased will be shipped.

Residents of New Jersey purchasing ammunition must provide proof of  a FPIC card or New Jersey Handgun permit via email to onlinesales1@dnwoutdoors.com with the subject line of “FPIC” before  the ammunition purchased will be shipped.

Residents of Connecticut purchasing ammunition must provide proof of a Ammunition Eligibility Certificate or Permit to via email to onlinesales1@dnwoutdoors.com with the subject line of “Ammunition Eligibility Certificate”

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

**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