Which burns faster, N135 or N550?

N550 is the faster-burning of the two (rank #57 vs #57 — lower rank burns faster).

What cartridges do N135 and N550 both load?

Both powders are listed for .22 Nosler, .22-250 Remington, .223 Remington, .223 WSSM, .224 Valkyrie, .243 Winchester, among 21 shared cartridges.

Powder head-to-head

Both powders on one page: burn-rate position, temperature sensitivity and the 21 cartridges they share.

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N135 #57 · N550 #57

9 more on the powder pages.

Which burns faster, N135 or N550?: N550 is the faster-burning of the two (rank #57 vs #57 — lower rank burns faster).
What cartridges do N135 and N550 both load?: Both powders are listed for .22 Nosler, .22-250 Remington, .223 Remington, .223 WSSM, .224 Valkyrie, .243 Winchester, among 21 shared cartridges.