ADI · Extruded
AR 2218
ADI's slowest powder — the equivalent of Hodgdon Retumbo.
- Manufacturer
- ADI
- Grain shape
- Extruded
- Burn rank
- #78
- Category
- Medium-Slow
- Temp sensitivity
- Low
- Application
- Rifle
- Origin
- Australia
- Status
- Active
Burn-rate position
FastestSlowest
Typical cartridges
.416 Remington Magnum, 7mm PRC, .300 PRC, .338 Norma Magnum, .300 Remington Ultra Magnum, .30-378 Weatherby Magnum, .338 Lapua Magnum
Substitutes
Listed substitutions with charge guidance. Always start at published minimums and work up.
Retumbo · Hodgdon Manufacturer
Identical formulation — use same charge weights.
By cartridge
.416 Remington Magnum also used: 203-B, Norma 202, Norma 204
7mm PRC also used: N555, N560, Vihtavuori N160
.338 Norma Magnum also used: URP, Norma MRP, N165
.300 Remington Ultra Magnum also used: URP, N560, Norma MRP
.30-378 Weatherby Magnum also used: Norma MRP, N570, 780
.338 Lapua Magnum also used: N560, Norma MRP, Vihtavuori N160
Similar burn rate
Supply & handling
- Availability (US)
- Limited
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
ADI AR 2218 is the slowest in ADI's standard rifle powder lineup, designed for ultra-large precision cartridges. Equivalent to Hodgdon Retumbo in burn rate, used in .338 Lapua and ELR cartridges in Australian long-range competition.
Sources & provenance
- Manufacturer ADI — ADI — published load/burn-rate data