Load data for 9 x 21 + 158gr Ares SWCBB EPRX
336 suitable loads across 54 powder(s) for cartridge 9 x 21 with 158gr Ares SWCBB EPRX bullet.
The most recommended powders for this combination are Alliant UNIQUE, ReloadSwiss RS 20 and Somchem MS200.
Based on C.I.P., the max. allowed case length is 0.833 in / 21.15 mm, the max. cartridge length is 1.171 in / 29.75 mm, and the max. allowed pressure is 34,084 PSI / 2,350 bar.
Based on C.I.P., the max. allowed case length is 0.833 in / 21.15 mm, the max. cartridge length is 1.171 in / 29.75 mm, and the max. allowed pressure is 34,084 PSI / 2,350 bar.
Load Specifications
ImperialMetric
Bullet:.357 | 158gr | SWCBB EPRX
Cartridge:9 x 21 load data
Case Length (L3):0.830" | 21.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.315" | 8.0 mm
Case Capacity:15.5 gow | 1.00 cm³
Primer Size:Small Pistol (SP)
Max. Pressure (C.I.P.):34,084 psi | 2,350 bar
Barrel Length:4.5" | 114 mm
Min. Twist Rate:Stabilizes in any common twist
Get PRO license to unlock all data and calculators