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.300 WSM – Winchester Deer Season XP Copper Impact 150 Grain Copper Extreme Point – 20 Round Box
UPC: 020892227910
Caliber: .300 Winchester Short Magnum (WSM)
Bullet Type: Copper Extreme Point™ – Lead-Free Polymer Tip
Bullet Weight: 150 grains (9.72 g)
The Winchester Deer Season XP Copper Impact in .300 WSM is purpose-built for modern big game hunters seeking maximum performance and lead-free reliability. This 150 grain load features the Copper Extreme Point bullet with a large diameter polymer tip designed to initiate rapid expansion upon impact. The monolithic copper construction ensures deep penetration, high weight retention, and consistent terminal ballistics, even on tough game.
Ballistic Data (approximate from 24″ test barrel)
Muzzle Velocity: ~3,260 fps
Muzzle Energy: ~3,540 ft·lb
| Range | Velocity (fps) | Energy (ft·lb) | Trajectory Drop* |
|---|---|---|---|
| 0 yd | ~3,260 fps | ~3,540 ft·lb | — |
| 100 yd | ~2,975 fps | ~2,950 ft·lb | ≈ −1.4″ |
| 300 yd | ~2,400 fps | ~1,922 ft·lb | ≈ −10.1″ |
| 500 yd | ~2,000 fps | ~1,333 ft·lb | ≈ −29.3″ |
*Trajectory based on a 200-yard zero. Performance may vary with rifle, conditions, and elevation.
Technical Specs
Primer Type: Boxer, non-corrosive
Case: Brass, reloadable
Bullet Construction: Solid copper, polymer tip (lead-free)
Rounds per Box: 20
Usage
Big Game Hunting: Excellent for deer, antelope, hogs, and elk
Lead-Free Zones: Compliant with lead-free regulations
Long-Range Capable: Flatter trajectory with optimized accuracy
Performance
Rapid expansion with large wound channels
Deep penetration and high retained weight
Lead-free design with consistent ballistic performance
Summary
Winchester’s .300 WSM Deer Season XP Copper Impact 150 Grain is a high-velocity, lead-free hunting load built for ethical and effective harvests. Combining polymer-tipped expansion with copper bullet integrity, it's a go-to round for modern hunters seeking accuracy, clean kills, and environmental responsibility.
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