The Hodgdon H4831 Extreme Rifle Powder delivers consistent velocities and exceptional accuracy across multiple calibers, making it a top choice for precision shooters and hunters. This temperature-stable propellant maintains performance from -40°F to 140°F, eliminating velocity variations that plague standard powders. The 1-pound container provides enough powder for approximately 140-160 rounds depending on cartridge and load data.
What Makes This Different
The Extreme series incorporates copper-fouling reducing additives and temperature-stable chemistry that standard powders lack. Where conventional propellants can vary 1.5 fps per degree of temperature change, H4831 Extreme maintains velocity within 0.2 fps per degree. This stability translates to consistent point of impact whether shooting in winter cold or summer heat, giving shooters predictable performance across seasons.
Key Features
- Temperature-stable formula maintains velocity within 0.2 fps per degree temperature change
- Copper-fouling reducing additives extend barrel life and maintain accuracy
- Optimal burn rate for magnum cartridges including .270 Winchester, .30-06, .300 Winchester Magnum
- Consistent kernel size and density for uniform metering through powder measures
- Single-base extruded powder for predictable pressure curves
- 1-pound sealed canister with moisture-resistant packaging
- Made in USA with strict quality control standards
H4831 Extreme excels in hunting applications where temperature swings affect shot placement, maintaining zero from early morning cold to midday heat. Competition shooters rely on its consistency for match-grade accuracy in long-range precision events. The powder meters smoothly through progressive presses and powder measures, making it suitable for both single-stage precision loading and higher-volume applications. Its burn rate characteristics work exceptionally well with heavy bullets in magnum cartridges, producing optimal velocity without excessive pressure.
Technical Specs
- Weight: 1 pound (454 grams)
- Powder type: Single-base extruded
- Burn rate: Medium-slow (similar to IMR 4831)
- Recommended calibers: .270 Win, .30-06, .300 Win Mag, .300 WSM, 7mm Rem Mag
- Temperature stability: ±0.2 fps per degree Fahrenheit
- Packaging: Moisture-resistant sealed canister
- Country of origin: United States
- Shelf life: Indefinite when stored properly
This powder represents decades of propellant development focused on eliminating the variables that affect accuracy. Serious handloaders choose H4831 Extreme when consistency matters more than cost, knowing each charge will perform identically regardless of environmental conditions.