Vista Outdoor · Extruded
Reloader 33
Ultra-slow burning powder for the largest belted magnum cases.
- Manufacturer
- Alliant
- Grain shape
- Extruded
- Burn rank
- #85
- Category
- Slow
- Temp sensitivity
- Moderate
- Application
- Rifle
- Origin
- USA
- Status
- Active
Burn-rate position
Typical cartridges
.416 Remington Magnum, 7mm PRC, .416 Barrett, .450 Rigby, .27 Nosler, 6.5-300 Weatherby Magnum, .416 Weatherby Magnum, 7mm Backcountry, .338 Remington Ultra Magnum, .300 PRC, .505 Gibbs, .30 Nosler, 7mm Remington Ultra Magnum, .460 Weatherby Magnum, .700 Nitro Express, 6.5mm Weatherby RPM, .50 BMG, .585 Nyati, .338 Norma Magnum, .300 Remington Ultra Magnum, .378 Weatherby Magnum, .338-378 Weatherby Magnum, .338 Lapua Magnum
By cartridge
Similar burn rate
Supply & handling
- Availability (US)
- Moderate
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
Reloader 33 is one of the slowest-burning standard reloading powders available, reserved for the largest production rifle cartridges and wildcat extreme long-range cases. It shines in .338 Lapua with the heaviest 300+ grain bullets and is used in 50 BMG work by those needing maximum case fill efficiency.