Lindcott Armory Vista Outdoor · Extruded
Reloader 33
RL-33RL33
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
FastestSlowest
Typical cartridges
.338 Lapua Magnum.300 Remington Ultra Magnum.338-378 Weatherby Magnum.50 BMG.460 Weatherby Magnum.450 Rigby6.5-300 Weatherby Magnum6.5mm Weatherby RPM7mm Backcountry.27 Nosler.505 Gibbs.585 Nyati.416 Barrett.416 Weatherby Magnum.700 Nitro Express.300 PRC.416 Remington Magnum.338 Remington Ultra Magnum.378 Weatherby Magnum7mm PRC.338 Norma Magnum7mm Remington Ultra Magnum.30 Nosler
By cartridge
.338 Lapua Magnumalso used: MRP2, S365, AR 2217
.300 Remington Ultra Magnumalso used: Retumbo, AR 2218, Reloader 25
.338-378 Weatherby Magnumalso used: Reloader 25
.50 BMGalso used: Accurate 3100, N105, H50BMG
.460 Weatherby Magnumalso used: N170, Reloader 25, IMR 5010
.450 Rigbyalso used: Reloader 25
6.5-300 Weatherby Magnumalso used: N170, Reloader 25, Reloader 26
6.5mm Weatherby RPMalso used: Reloader 26
7mm Backcountryalso used: N170, Reloader 26, LRT
.27 Nosleralso used: Reloader 26
.505 Gibbsalso used: Reloader 25
.585 Nyatisee the finder for alternatives
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.