Western Powders · Ball
Ramshot Magnum
Ramshot's ultra-slow ball powder for the largest magnum cases.
- Manufacturer
- Ramshot
- Grain shape
- Ball
- Burn rank
- #76
- Category
- Magnum Rifle
- Temp sensitivity
- Low
- Application
- Magnum Rifle
- Origin
- Belgium
- Status
- Active
Burn-rate position
FastestSlowest
Typical cartridges
.300 Winchester Magnum, .338 Winchester Magnum, 7mm Remington Magnum, .338 Lapua Magnum
Substitutes
Listed substitutions with charge guidance. Always start at published minimums and work up.
Alliant Reloader 22 · Alliant Community
Both fall in the H1000 burn rate zone. Work up carefully from starting loads.
By cartridge
.300 Winchester Magnum also used: N550, Superperformance, N555
.338 Winchester Magnum also used: N550, 203-B, N540
7mm Remington Magnum also used: Superperformance, D072.5, IMR 4320
.338 Lapua Magnum also used: N560, Norma MRP, Vihtavuori N160
Similar burn rate
Supply & handling
- Availability (US)
- Moderate
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
Ramshot Magnum is the Western Powders/Ramshot answer for ultra-magnum rifle cartridges. Its very slow ball powder burn rate fills the largest cases efficiently. Used in .338 Lapua, .300 Ultra Mag, .375 H&H, and similar large-capacity hunting and precision cartridges.
Sources & provenance
- Manufacturer Western Powders, Inc. (Ramshot) — Ramshot Magnum product page — technical specifications (ramshot.com, archived 2019-12-25)
- Manufacturer Western Powders, Inc. (Ramshot) — Ramshot Magnum powder page (ramshot.com, archived 2004-09-04)
- Manufacturer Ramshot — Ramshot — published load/burn-rate data