Which burns faster, H4831SC or Norma MRP?

Norma MRP is the faster-burning of the two (rank #66 vs #69 — lower rank burns faster).

What cartridges do H4831SC and Norma MRP both load?

Both powders are listed for 7mm Remington Magnum, .300 Winchester Magnum, .338 Winchester Magnum.

Powder head-to-head

FastestSlowest

Similar burn rate for .30-06, .270 Win, and similar cartridges. Work up from starting data.

Confidence: Community. Always start at published minimums and work up.

Can I substitute H4831SC for Norma MRP?: Similar burn rate for .30-06, .270 Win, and similar cartridges. Work up from starting data. Confidence: Community. Always start at published minimum charges and work up.
Which burns faster, H4831SC or Norma MRP?: Norma MRP is the faster-burning of the two (rank #66 vs #69 — lower rank burns faster).
What cartridges do H4831SC and Norma MRP both load?: Both powders are listed for 7mm Remington Magnum, .300 Winchester Magnum, .338 Winchester Magnum.