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Somchem S221
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Powder Specifications:
Propellant / Powder: | Somchem S221 |
Relative Burn Rate: | 6.4 (0 ... slow| 10 ... fast) |
Weapon Use: | Rifles, Pistols, Revolvers |
Density: | 101.13lbs/ft3 | 1620kg/m3 |
Bulk Density: | 59.93lbs/ft3 | 960kg/m3 |
PID: | PID_239 |
Last updated: | 2/18/2025 |
Medium burning spherical propellant for revolvers and pistols
Find all Somchem load data in the powder manufacturer section.
Suitable and popular calibers for Somchem S221
The following table indicates for which caliber and bullet weight range (in grains) this powder is suitable (👍) and popular among our reloading community (👍👍). This might evolve over time as more community members share their loads and as we accumulate more calculations and tests with our balistics calculator.
Bullet Weight (gr) -> | 0-50 | 50-75 | 75-100 | 100-150 | 150-200 | 200-300 | >300 |
|---|---|---|---|---|---|---|---|
.44 Rem. Mag. | 👍 | ||||||
.454 Casull Magnum | 👍 | ||||||
5.7 x 28 | 👍 |
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