Which burns faster, Norma MRP or Vihtavuori N150?

Vihtavuori N150 is the faster-burning of the two (rank #66 vs #66 — lower rank burns faster).

What cartridges do Norma MRP and Vihtavuori N150 both load?

Both powders are listed for .240 Weatherby Magnum, .243 Winchester, .25-06 Remington, .260 Remington, .270 Winchester, .280 Remington, among 20 shared cartridges.

Powder head-to-head

Norma MRP vs Vihtavuori N150

Both powders on one page: burn-rate position, temperature sensitivity and the 20 cartridges they share.

Compare another pair Burn-rate chart

Burn-rate position

FastestSlowest

Norma MRP #66 · Vihtavuori N150 #66

Side by side

	Norma MRP	Vihtavuori N150
Manufacturer	Norma	Vihtavuori
Burn-rate rank	#66	#66
Burn category	Magnum Rifle	Rifle Medium
Grain shape	Extruded	Extruded
Temperature sensitivity	Moderate	Low
Applications	Rifle	Rifle
Suppressor-friendly	No	No
US availability	Limited	Moderate
Status	Discontinued	Active

Shared cartridges

8 more on the powder pages.

PowderNorma MRP in full PowderVihtavuori N150 in full HubCompare another pair

FAQs

Which burns faster, Norma MRP or Vihtavuori N150?: Vihtavuori N150 is the faster-burning of the two (rank #66 vs #66 — lower rank burns faster).
What cartridges do Norma MRP and Vihtavuori N150 both load?: Both powders are listed for .240 Weatherby Magnum, .243 Winchester, .25-06 Remington, .260 Remington, .270 Winchester, .280 Remington, among 20 shared cartridges.