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Nammo · Extruded

N555

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

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

6.5 Creedmoor6mm Creedmoor.260 Remington.308 Winchester

By cartridge

6.5 Creedmooralso used: IMR 3031, N550, Alliant Reloader 15
6mm Creedmooralso used: Benchmark, AR 2207, AR 2208
.260 Remingtonalso used: Norma 200, IMR 3031, N550
.308 Winchesteralso used: Shooters World Economy Rifle, Accurate 2230, A1

Similar burn rate

#60IMR 4320IMR#60Alliant Reloader 16Alliant#60Long RifleShooters World#59H380Hodgdon#61Ramshot HunterRamshot

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.

ChartSee it on the burn-rate spectrumBrowseEvery powder, ranked by burn rate

Sources & provenance