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Lindcott Armory

Nammo · Extruded

N555

Temperature-stable competition extruded powder from VV's N500 series.

Also known as Vihtavuori N555
Manufacturer
Vihtavuori
Grain shape
Extruded
Burn rank
#60
Category
Medium
Temp sensitivity
Low
Application
Rifle
Origin
Finland
Status
Active

Burn-rate position

FastestSlowest

Rank #60 on the burn-rate scale · Medium

Typical cartridges

.22 Creedmoor, .22 Nosler, .224 Valkyrie, .243 Winchester, .260 Remington, .270 Winchester, .280 Remington, .284 Winchester, .30-06 Springfield, .300 Norma Magnum, .300 PRC, .300 Winchester Magnum, .300 WSM, .375 H&H Magnum, 6.5 Creedmoor, 6.5 PRC, 6.5-284 Norma, 6.5x47mm Lapua, 6.5x55mm Swedish, 6.8 Western, 6mm Creedmoor, 7mm PRC, .308 Winchester

By cartridge

Similar burn rate

Supply & handling

Availability (US)
Moderate
Shortage-prone
No
Suppressor-friendly
Yes
Flash-suppressed
No

About this powder

N555 is specifically formulated for heavy-bullet precision shooting in .338 Lapua and .300 Norma Mag. Competition ELR (extreme long range) shooters choose N555 where they need maximum case fill efficiency with minimal temperature-induced velocity variation.

Head-to-headN555 vs Vihtavuori N140 ChartSee it on the burn-rate spectrum BrowseEvery powder, ranked by burn rate

Sources & provenance