Lindcott Armory ReferenceGet the App
Jump toCartridge LibraryFactory LoadsPowder LibraryFirearm DatabaseBallistic Compare
ReferenceCartridge LibraryPowder LibraryFactory LoadsAmmo BrandsBullet CatalogBullet TypesBurn Rate ChartHeadstampsFirearm DatabaseDate Your GunToolsCartridge Family TreeBallistic CompareHead-to-HeadsAmmo Price HistoryField GuideOverviewHunting GuideMilitary TimelineGun HistoryBuying ChecklistStolen / Missing GunsAppsGet the App

Somchem · Ball

S133

Fast Somchem rifle ball powder.

Manufacturer
Somchem
Grain shape
Ball
Burn rank
#40
Category
Medium-Fast
Temp sensitivity
Low
Application
Rifle
Origin
South Africa
Status
Active

Burn-rate position

FastestSlowest

Rank #40 on the burn-rate scale · Medium-Fast

Typical cartridges

.223 Remington.22-250 Remington5.56x45mm NATO

By cartridge

.223 Remingtonalso used: Alliant Unique, AR 2205, A0
.22-250 Remingtonalso used: Ramshot X-Terminator, Power Pro Varmint, RS40
5.56x45mm NATOalso used: Norma R1, Shooters World Economy Rifle, Lovex S010

Similar burn rate

#40Norma R1Norma#40Alliant 2400Alliant#40Ramshot X-TerminatorRamshot#40Power Pro VarmintAlliant#40Vihtavuori 3N38Vihtavuori

Supply & handling

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

About this powder

Somchem S133 is a South African fast rifle ball powder for .223 Rem and similar cases. Used in South African military and competition applications. Very limited US market.

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

Sources & provenance

  • ManufacturerSomchem — Somchem — published load/burn-rate data