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Lindcott Armory

Powder head-to-head

H4831SC vs Reloader 19

Both powders on one page: burn-rate position, temperature sensitivity and the 5 cartridges they share, with the substitution note from the reference.

Burn-rate position

FastestSlowest

H4831SC #69 · Reloader 19 #68

Substitution

Similar burn rate in magnum rifle cartridges; reduce 3–5% when substituting.

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

Side by side

H4831SCReloader 19
ManufacturerHodgdonAlliant
Burn-rate rank#69#68
Burn categoryRifle SlowMedium-Slow
Grain shapeExtrudedExtruded
Temperature sensitivityLowModerate
ApplicationsRifleRifle
Suppressor-friendlyNoNo
US availabilityCommonCommon
StatusActiveActive

Shared cartridges

PowderH4831SC in full PowderReloader 19 in full HubCompare another pair

FAQs

Can I substitute H4831SC for Reloader 19?
Similar burn rate in magnum rifle cartridges; reduce 3–5% when substituting. Confidence: Community. Always start at published minimum charges and work up.
Which burns faster, H4831SC or Reloader 19?
Reloader 19 is the faster-burning of the two (rank #68 vs #69 — lower rank burns faster).
What cartridges do H4831SC and Reloader 19 both load?
Both powders are listed for .300 Winchester Magnum, .338 Winchester Magnum, .30-06 Springfield, 7mm Remington Magnum, .270 Winchester.