Load data for .223 Rem. + 77gr Barnes Match Burner BT
504 suitable loads across 83 powder(s) for cartridge .223 Rem. with 77gr Barnes Match Burner BT bullet.
The most recommended powders for this combination are Alliant Power Pro 1200-R, Accurate No. 2 and Alliant AR-Comp.
Based on SAAMI, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,000 PSI / 3,792 bar.
Based on SAAMI, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,000 PSI / 3,792 bar.
Load Specifications
ImperialMetric
Cartridge:.223 Rem. load data
Case Length (L3):1.759" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.523" | 13.3 mm
Case Capacity:30 gow | 1.94 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (SAAMI):55,000 psi | 3,792 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:9.0
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