Highest Rifle Velocity
5278 fps in .22-243 Middl.
5130 fps in .22-250 Ack Im
Most Powerfull Rifle
14412 ft-lbs in .700 NE
13109 ft-lbs in .50 BMG

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The .460 Rowland, developed by Johnny Rowland and Clark Custom Guns, is a sixteenth inch longer than the .45 ACP to prevent chambering in unmodified guns. 

This text is based on information from “Cartridges of the World”, Hodgdon reloading manual, the cartridge designer and/or own resources.

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