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
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
.22 Creedmoor also used: N550, Vihtavuori N140, N540
.22 Nosler also used: Benchmark, Vihtavuori N133, H335
.224 Valkyrie also used: N530, Vihtavuori N133, H335
.243 Winchester also used: N530, Accurate 2520, RS52
.260 Remington also used: Norma 200, IMR 3031, N550
.270 Winchester also used: Reload Swiss RS60, Winchester 760, S243
.280 Remington also used: N550, Reloader 17, Norma 204
.284 Winchester also used: N550, Vihtavuori N140, N540
.30-06 Springfield also used: N110, Winchester 748, N530
.300 Norma Magnum also used: N560, Norma MRP, N165
.300 PRC also used: N550, N560, Vihtavuori N160
.300 Winchester Magnum also used: N550, Superperformance, Vihtavuori N140
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.
