Alliant Reloder 25 delivers exceptional velocity and accuracy for magnum rifle cartridges, featuring temperature-stable performance that maintains consistent pressures across extreme weather conditions. This premium powder excels with heavy bullets in large capacity cases, making it the preferred choice for long-range precision shooters and magnum hunters.
What Makes This Different
Reloder 25 utilizes advanced temperature-stable chemistry that reduces velocity variation to less than 1 fps per degree Fahrenheit, significantly outperforming standard powders that can vary 3-5 fps per degree. The powder's burn rate falls between Reloder 22 and Reloder 26, filling a critical gap for cartridges like .300 Winchester Magnum, .28 Nosler, and .300 Weatherby Magnum. Independent testing shows velocity improvements of 50-100 fps over comparable powders while maintaining safe pressures.
Key Features
- Temperature-stable formulation maintains consistent velocities from -40°F to 140°F
- Optimized burn rate for magnum cartridges with heavy bullets (180-220 grain)
- Double-base composition provides higher energy density than single-base alternatives
- Spherical grain structure ensures consistent metering in powder measures
- Compatible with standard primers - no magnum primers required in most applications
- Low copper fouling characteristics extend barrel cleaning intervals
- Manufactured to strict lot-to-lot consistency standards for competitive shooting
Field testing demonstrates Reloder 25's ability to push 200-grain bullets from a .300 Winchester Magnum to velocities exceeding 2,900 fps while maintaining sub-MOA accuracy. The powder performs exceptionally in long-range hunting scenarios where consistent external ballistics are critical, and competitive shooters report improved group sizes at extended distances. Weather resistance testing confirms stable performance in temperature swings common during hunting seasons and multi-day competitions.
Technical Specs
- Weight: 1 pound (454 grams) sealed canister
- Grain type: Spherical double-base powder
- Burn rate: Medium-slow (between Reloder 22 and Reloder 26)
- Recommended cartridges: .300 Win Mag, .28 Nosler, .300 Weatherby, .300 PRC
- Storage temperature range: 32°F to 120°F in original container
- Shelf life: 10+ years when stored properly
- Country of origin: United States
- UN Classification: UN 0509, Class 1.3C
Reloder 25 represents the pinnacle of magnum rifle powder technology, delivering the consistency and performance demanded by precision shooters. Limited production runs make this powder highly sought after among serious reloaders who understand the advantage of temperature-stable performance.