Nammo · Extruded
N165
Very slow Vihtavuori powder for large magnum cases.
- 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, .240 Weatherby Magnum, .243 Winchester, .25-06 Remington, .260 Remington, .270 Weatherby Magnum, .270 Winchester, .270 WSM, .280 Remington, .284 Winchester, .30-06 Springfield, .300 H&H Magnum, .300 Norma Magnum, .300 PRC, .300 Remington Ultra Magnum, .300 Weatherby Magnum, .300 Winchester Magnum, .300 WSM, .338 Lapua Magnum, .338 Winchester Magnum, .416 Rigby, 6.5 Creedmoor, 6.5 PRC, 6.5-284 Norma
Substitutes
Listed substitutions with charge guidance. Always start at published minimums and work up.
Very close burn rate to H4831; suitable direct substitution with standard workup.
By cartridge
Similar burn rate
Supply & handling
- Availability (US)
- Moderate
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
N165 sits between N160 and N170, covering the transition zone between belted magnums and ultra-magnums. Particularly effective in .338 Lapua and .300 Ultra Mag with heavy bullets at the slower end of their pressure window.