Load data for .280 Ackley Improved + 110gr Speer MHP

.280 Ackley Improved cartridge with combo bulletSeated DepthL3 = 2.540 in / 64.52 mmL6 = 3.330 in / 84.58 mmSeated Depth = .164 in / 4.17 mm

Based on SAAMI, the max. allowed case length is 2.525 in / 64.14 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.284" | 7.2 mm
Case Capacity:74 gow | 4.80 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:14.0

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