Nammo · Extruded
N540
Temperature-stable competition extruded powder from VV's N500 series.
- Manufacturer
- Vihtavuori
- Grain shape
- Extruded
- Burn rank
- #62
- Category
- Medium-Slow
- Temp sensitivity
- Low
- Application
- Rifle
- Origin
- Finland
- Status
- Active
Burn-rate position
Typical cartridges
.22 Creedmoor, .22 Nosler, .22-250 Remington, .223 Remington, .223 WSSM, .224 Valkyrie, .243 Winchester, .243 WSSM, .260 Remington, .284 Winchester, .30-06 Springfield, .300 Savage, .300 Winchester Magnum, .300 WSM, .303 British, .308 Winchester, .338 Winchester Magnum, .375 H&H Magnum, 6.5 Creedmoor, 6.5 Grendel, 6.5x47mm Lapua, 6.5x55mm Swedish, 6mm ARC, 6mm BR Norma
Substitutes
Listed substitutions with charge guidance. Always start at published minimums and work up.
Similar application in .308 Win and similar cartridges. Standard workup required.
By cartridge
Similar burn rate
Supply & handling
- Availability (US)
- Moderate
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
N540 is one of the most precision-oriented powders in the Vihtavuori 500 series, delivering outstanding accuracy in .308 Win, 6.5 Creedmoor, and similar precision rifle cartridges. Particularly popular with F-Class and PRS competitors who need tight velocity standard deviations for consistent long-range impact.