AR-15Bolt face: .50 Beowulf
.50 Beowulf Ballistics
Alexander Arms proprietary big-bore cartridge. Massive bullet mass delivers heavy energy at close range. Uses a dedicated bolt and single-stack magazines. Effective within 200 yards for large game and defensive use.
Cartridge Specifications
SAAMI Max Pressure
Bullet Diameter
Case Length
Overall Length
Parent Case
Bolt Face
Min Barrel
Platform
Common Bullet Weights and Types
Alexander Arms 300 gr XTPAlexander Arms 400 gr FP
Effective Range by Application
Large game hunting0 to 200 yd
Self-defense0 to 100 yd
Barrel Twist Rate Recommendations
300 to 400 gr1:16 or 1:19
Data Disclaimer
Ballistic data is approximate and varies by ammunition lot, barrel condition, altitude, and temperature. Data sourced from published SAAMI and manufacturer load data. Always confirm zero and trajectory with your specific firearm.
Detailed load data for .50 Beowulf is coming soon. In the meantime, review the specifications above and consult your ammunition manufacturer for load-specific trajectory.
Pick the right barrel
Twist rate should match the bullet weights you plan to shoot. See barrel steel grades, profiles, chamber types, and twist rate guidance on the barrel specs page, then jump into the builder to filter barrels chambered in .50 Beowulf.