Load data for 7.21 Firebird + 170gr CutEdge MTH
258 suitable loads across 46 powder(s) for cartridge 7.21 Firebird with 170gr CutEdge MTH bullet.
The most recommended powders for this combination are ADI AR 2218, Vihtavuori N570 and IMR 8133 Enduron.
Based on C.I.P., the max. allowed case length is 2.810 in / 71.37 mm, the max. cartridge length is 3.630 in / 92.20 mm, and the max. allowed pressure is 66,717 PSI / 4,600 bar.
Based on C.I.P., the max. allowed case length is 2.810 in / 71.37 mm, the max. cartridge length is 3.630 in / 92.20 mm, and the max. allowed pressure is 66,717 PSI / 4,600 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 170gr | CutEdge MTH
Cartridge:7.21 Firebird load data
Case Length (L3):2.800" | 71.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.843" | 21.4 mm
Case Capacity:121 gow | 7.84 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):66,717 psi | 4,600 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:9.0
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