Load data for .221 Rem. Fireball + 50gr Impala RNFP KO
82 suitable loads across 15 powder(s) for cartridge .221 Rem. Fireball with 50gr Impala RNFP KO bullet.
The most recommended powders for this combination are ADI AR 2207, Vihtavuori N120 and Lovex S053.
Based on C.I.P., the max. allowed case length is 1.400 in / 35.56 mm, the max. cartridge length is 1.830 in / 46.48 mm, and the max. allowed pressure is 46,412 PSI / 3,200 bar.
Based on C.I.P., the max. allowed case length is 1.400 in / 35.56 mm, the max. cartridge length is 1.830 in / 46.48 mm, and the max. allowed pressure is 46,412 PSI / 3,200 bar.
Load Specifications
ImperialMetric
Bullet:.227 | 50gr | Impala RNFP KO
Cartridge:.221 Rem. Fireball load data
Case Length (L3):1.397" | 35.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.334" | 8.5 mm
Case Capacity:22 gow | 1.43 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (C.I.P.):46,412 psi | 3,200 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.0
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