Nammo · Extruded
N565
Very slow temperature-stable extruded powder from VV's N500 competition series.
- Manufacturer
- Vihtavuori
- Grain shape
- Extruded
- Burn rank
- #73
- Category
- Medium-Slow
- Temp sensitivity
- Low
- Application
- Rifle
- Origin
- Finland
- Status
- Active
Burn-rate position
Typical cartridges
.22 Creedmoor, .243 Winchester, .260 Remington, .270 Winchester, .280 Remington, .284 Winchester, .30-06 Springfield, .300 Norma Magnum, .300 PRC, .300 Winchester Magnum, .300 WSM, .338 Lapua Magnum, .375 CheyTac, .50 BMG, 6.5 Creedmoor, 6.5 PRC, 6.5-284 Norma, 6.5x55mm Swedish, 6.8 Western, 6mm Creedmoor, 7mm PRC, 7mm Remington Magnum, 8x68mm S, 7mm SAUM
Substitutes
Listed substitutions with charge guidance. Always start at published minimums and work up.
Close to H4831SC in large rifle cartridges. Standard workup required.
By cartridge
Similar burn rate
Supply & handling
- Availability (US)
- Limited
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
N565 is the slowest of the standard Vihtavuori 500-series powders, positioned for ELR cartridges requiring the absolute maximum in slow burn rate. Rarely needed outside the most demanding long-range competition and military applications.