Nammo · Ball

N550

Competition ball powder from VV's N500 series at the H4350 burn rate.

Manufacturer
Vihtavuori
Grain shape
Ball
Burn rank
#57
Category
Medium
Temp sensitivity
Low
Application
Rifle
Origin
Finland
Status
Active

Burn-rate position

FastestSlowest

Rank #57 on the burn-rate scale · Medium

Typical cartridges

Substitutes

Listed substitutions with charge guidance. Always start at published minimums and work up.

H4895 · HodgdonCommunity

Similar burn rate zone; reduce 3–4% when substituting.

By cartridge

Similar burn rate

Supply & handling

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

About this powder

N550 is Vihtavuori's entry into the slow magnum rifle powder category, optimized for .338 Lapua and similar large magnum precision cartridges. Long-range competition shooters using heavy-for-caliber bullets in the .338 Lapua find N550 produces excellent velocity and consistency.

Head-to-headN550 vs H4895ChartSee it on the burn-rate spectrumBrowseEvery powder, ranked by burn rate

Sources & provenance