Which burns faster, IMR 8133 or LRT?

LRT is the faster-burning of the two (rank #80 vs #83 — lower rank burns faster).

What cartridges do IMR 8133 and LRT both load?

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

Powder head-to-head

IMR 8133 vs LRT

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 8133 #83 · LRT #80

Side by side

	IMR 8133	LRT
Manufacturer	IMR	Ramshot
Burn-rate rank	#83	#80
Burn category	Slow	Medium-Slow
Grain shape	Extruded	Ball
Temperature sensitivity	Low	Low
Applications	Rifle	Rifle
Suppressor-friendly	No	No
US availability	Moderate	Moderate
Status	Discontinued	Active

Shared cartridges

.416 Remington Magnum
7mm PRC
6.5-300 Weatherby Magnum
7mm Backcountry
.338 Remington Ultra Magnum
.300 PRC
.30 Nosler
.416 Rigby
7mm Remington Ultra Magnum
.375 H&H Magnum
.338 Norma Magnum
.378 Weatherby Magnum

1 more on the powder pages.

PowderIMR 8133 in full PowderLRT in full HubCompare another pair

FAQs

Which burns faster, IMR 8133 or LRT?: LRT is the faster-burning of the two (rank #80 vs #83 — lower rank burns faster).
What cartridges do IMR 8133 and LRT both load?: Both powders are listed for .416 Remington Magnum, 7mm PRC, 6.5-300 Weatherby Magnum, 7mm Backcountry, .338 Remington Ultra Magnum, .300 PRC, among 13 shared cartridges.