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Hodgdon Powder Company · Ball

780

Very slow ball powder for large magnum rifle cases.

Manufacturer
Winchester
Grain shape
Ball
Burn rank
#75
Category
Medium-Slow
Temp sensitivity
Moderate
Application
Rifle
Origin
USA
Status
Discontinued

Burn-rate position

FastestSlowest

Rank #75 on the burn-rate scale · Medium-Slow

Typical cartridges

.300 Winchester Magnum.338 Winchester Magnum.30-378 Weatherby Magnum

By cartridge

.300 Winchester Magnumalso used: Superperformance, N560, Norma 204
.338 Winchester Magnumalso used: Accurate 4350, Norma MRP, S355
.30-378 Weatherby Magnumalso used: N570, H1000, Retumbo

Similar burn rate

#74Reloader 23Alliant#76Accurate MagProAccurate#76Ramshot MagnumRamshot#76H1000Hodgdon#73S365Somchem

Supply & handling

Availability (US)
Discontinued
Shortage-prone
No
Suppressor-friendly
Yes
Flash-suppressed
No

About this powder

Winchester 780 was a slow-burning ball powder for large magnum rifle cartridges, discontinued in the 1990s and replaced by more modern alternatives. Found in older reloading manuals for .338 Win Mag and .300 Win Mag loads.

ChartSee it on the burn-rate spectrumBrowseEvery powder, ranked by burn rate

Sources & provenance