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Lindcott Armory

Powder head-to-head

H4895 vs IMR 4895

Both powders on one page: burn-rate position, temperature sensitivity and the 4 cartridges they share, with the substitution note from the reference.

Compare another pair Burn-rate chart

Burn-rate position

FastestSlowest

H4895 #57 · IMR 4895 #57

Substitution

Near-identical application — minor lot-level differences possible. Start at published minimum and work up.

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

Side by side

H4895IMR 4895
ManufacturerHodgdonIMR
Burn-rate rank#57#57
Burn categoryRifle MediumRifle Medium
Grain shapeExtrudedExtruded
Temperature sensitivityLowModerate
ApplicationsRifleRifle
Suppressor-friendlyYesYes
US availabilityCommonCommon
StatusActiveActive

Shared cartridges

PowderH4895 in full PowderIMR 4895 in full HubCompare another pair

FAQs

Can I substitute H4895 for IMR 4895?
Near-identical application — minor lot-level differences possible. Start at published minimum and work up. Confidence: Published. Always start at published minimum charges and work up.
Which burns faster, H4895 or IMR 4895?
IMR 4895 is the faster-burning of the two (rank #57 vs #57 — lower rank burns faster).
What cartridges do H4895 and IMR 4895 both load?
Both powders are listed for .243 Winchester, .30-40 Krag, .30-06 Springfield, .308 Winchester.