The Winchester Copper Impact .300 Winchester Magnum 150-grain load completely redefines the capabilities of monolithic, lead-free hunting ammunition. The traditional drawback to solid copper bullets has always been erratic or delayed expansion at long distances, where dropping velocities can cause the projectile to pass through big game like a solid pencil. Winchester solves this engineering hurdle with their Copper Extreme Point design—utilizing an oversized polymer tip that forces rapid, devastating mushrooming upon impact at any range.
The technical advantage lies in a smart combination of extreme velocity and hydraulic design. Stepping down to a nimble 150-grain payload allows this round to fly incredibly fast while maintaining a laser-flat trajectory. The second it makes contact, the extra-wide polymer tip acts as a mechanical plunger, driving backward into a deep, calibrated internal cavity to initiate immediate, wide expansion. Because the bullet is CNC-machined from solid copper, there is no lead core to shatter or break apart, ensuring nearly 100% weight retention for straight-line tracking through thick hide and bone.
Screaming out of the muzzle at a blistering 3,260 FPS, this flat-shooting magnum load is designed to buck the wind and carry massive kinetic energy across wide-open canyons. The streamlined boat-tail base minimizes aerodynamic drag, keeping your downrange trajectory incredibly stable. On impact, the combination of raw velocity and an unbreakable solid copper structure creates an unstoppable forward momentum—punching deep through heavy shoulder muscle and dense bone to deliver the high-visibility exit wounds and clean, ethical harvests that big-game hunters demand.
Key Benefits
- Copper Extreme Point Design: Features an oversized polymer tip that accelerates expansion, delivering massive, immediate downrange terminal shock.
- 100% Solid Copper Monolithic Construction: Guarantees near-perfect weight retention and eliminates the unpredictable fragmentation common in standard lead-core bullets.
- Flat-Shooting Magnum Velocity: Blistering 3,260 FPS muzzle velocity shortens flight times and minimizes mid-range drop for precise long-range shot placement.
- Uncompromising Barrier Penetration: The solid copper structure holds together under intense impact stress, driving straight through heavy bone.
Technical Specification
- Ballistics: .300 Win Mag | 3,260 FPS Muzzle Velocity | High-Velocity Magnum Flight Profile
- Projectile: 150 Grain | Solid Copper Extreme Point | Oversized Polymer Tip & Aerodynamic Boat-Tail
- Case/Primer: Premium Brass Case | Boxer Primed | Clean-Burning Propellant | Reloadable
- Logistics: 20 Rounds Per Box | Copper Impact Lead-Free Series
- Dimensions: .300 Win Mag | ~1.15 lbs Per Box | SKU: X300CLF
- Application: Large Big Game | Elk, Moose, Mule Deer, & Bear | Extended-Range Lead-Free Hunting
- Standards: SAAMI Compliant | California Certified Non-Lead Approved
When precision, compliance, and terminal performance matter, source your ammunition from SMKW. Trusted by serious hunters, SMKW delivers proven products backed by industry expertise and reliable fulfillment—secure your Winchester Copper Impact .300 Win Mag today.
