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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

Rank #78 on the burn-rate scale · Medium-Slow

Typical cartridges

.338 Lapua Magnum.300 Remington Ultra Magnum.30-378 Weatherby Magnum.300 PRC.416 Remington Magnum7mm PRC.338 Norma Magnum

Substitutes

Listed substitutions with charge guidance. Always start at published minimums and work up.

Retumbo · HodgdonManufacturer

Identical formulation — use same charge weights.

By cartridge

.338 Lapua Magnumalso used: MRP2, S365, AR 2217
.300 Remington Ultra Magnumalso used: Retumbo, Reloader 25, Reloader 26
.30-378 Weatherby Magnumalso used: N570, 780, H1000
.300 PRCalso used: N165, N170, Reloader 26
.416 Remington Magnumalso used: N165, N170, Reloader 25
7mm PRCalso used: N165, N170, Reloader 26
.338 Norma Magnumalso used: N165, N170, Reloader 25

Similar burn rate

#78RetumboHodgdon#78N170Vihtavuori#78Reloader 25Alliant#79IMR 5010IMR#79Reloader 26Alliant

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.

Head-to-headAR 2218 vs RetumboChartSee it on the burn-rate spectrumBrowseEvery powder, ranked by burn rate

Sources & provenance

  • ManufacturerADI — ADI — published load/burn-rate data