Which burns faster, IMR 7977 or Reloader 26?

Reloader 26 is the faster-burning of the two (rank #79 vs #80 — lower rank burns faster).

What cartridges do IMR 7977 and Reloader 26 both load?

Both powders are listed for .28 Nosler, .416 Remington Magnum, 7mm PRC, 6.5-300 Weatherby Magnum, .338 Remington Ultra Magnum, .300 PRC, among 13 shared cartridges.

Powder head-to-head

IMR 7977 vs Reloader 26

Both powders on one page: burn-rate position, temperature sensitivity and the 13 cartridges they share.

Compare another pair Burn-rate chart

Burn-rate position

FastestSlowest

IMR 7977 #80 · Reloader 26 #79

Side by side

	IMR 7977	Reloader 26
Manufacturer	IMR	Alliant
Burn-rate rank	#80	#79
Burn category	Medium-Slow	Medium-Slow
Grain shape	Extruded	Extruded
Temperature sensitivity	Low	Low
Applications	Rifle	Rifle
Suppressor-friendly	No	No
US availability	Common	Moderate
Status	Discontinued	Active

Shared cartridges

.28 Nosler
.416 Remington Magnum
7mm PRC
6.5-300 Weatherby Magnum
.338 Remington Ultra Magnum
.300 PRC
.26 Nosler
.30 Nosler
.300 Winchester Magnum
.338 Norma Magnum
7mm Remington Magnum
.338 Lapua Magnum

1 more on the powder pages.

PowderIMR 7977 in full PowderReloader 26 in full HubCompare another pair

FAQs

Which burns faster, IMR 7977 or Reloader 26?: Reloader 26 is the faster-burning of the two (rank #79 vs #80 — lower rank burns faster).
What cartridges do IMR 7977 and Reloader 26 both load?: Both powders are listed for .28 Nosler, .416 Remington Magnum, 7mm PRC, 6.5-300 Weatherby Magnum, .338 Remington Ultra Magnum, .300 PRC, among 13 shared cartridges.