Alliant Power Pro 300-MP Pistol Powder 1lb - Magnum Handgun

The Alliant Power Pro 300-MP delivers consistent performance across multiple magnum handgun calibers with clean-burning characteristics that reduce fouling and maintenance requirements. This spherical powder provides excellent metering through progressive reloading equipment while maintaining stable velocities across temperature variations.

What Makes This Different

Power Pro 300-MP features a double-base nitrocellulose formulation optimized specifically for magnum pistol cartridges from .357 Magnum through .44 Magnum and beyond. The spherical grain structure meters more consistently than flake powders, reducing charge weight variations that affect accuracy. Temperature stability remains within 1 fps per degree Fahrenheit, significantly better than many competing powders that can shift 3-5 fps per degree.

Key Features

• Multi-caliber compatibility from .357 Magnum to .500 S&W Magnum
• Spherical grain structure for precise metering in progressive presses
• Clean-burning formulation reduces barrel fouling by up to 40%
• Temperature stability within ±1 fps per degree Fahrenheit
• Consistent burn rate across charge weights from minimum to maximum loads
• Low flash signature for reduced muzzle blast in low-light conditions
• 1-pound canister with moisture-resistant seal and clear labeling

Competitive shooters and hunters rely on Power Pro 300-MP for its ability to produce consistent velocities shot after shot, even in extreme weather conditions. The powder performs equally well in short-barreled defensive revolvers and long-barreled hunting handguns, maintaining accuracy standards required for precision shooting. Law enforcement agencies have adopted this powder for duty ammunition loading due to its reliable ignition and consistent terminal performance.

Technical Specs

• Weight: 1 pound (454 grams) net powder weight
• Grain shape: Spherical double-base nitrocellulose
• Burn rate: Medium-fast, similar to Unique but cleaner
• Recommended calibers: .357 Mag, .41 Mag, .44 Mag, .454 Casull, .460 S&W, .500 S&W
• Storage temperature: -40°F to 160°F (-40°C to 71°C)
• Shelf life: 20+ years when stored properly
• Country of origin: United States
• Manufacturer: Alliant Powder (Vista Outdoor)

Reloaders who demand consistent results across multiple magnum calibers choose Power Pro 300-MP for its proven track record and versatile load data. The clean-burning characteristics extend barrel life while reducing cleaning time between range sessions.