50 Beowulf

The .50 Beowulf is a 12mm rifle cartridge developed by Alexander Arms for use in the AR-15 platform. With normal bullet weights being between 300 and 400 grains, an overall length shorter than that of an AR-15 magazine well and round pressure limited by the AR bolt system strength, the .50 Beowulf is best compared to early .45-70 Government.

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