500 Auto Max
Basically 500 S&W Magnum with a slightly rebated rim... it's an AR 10-based build, so it ought to hold up okay.
Anyhow, I figure that it might just be the king of the thumpers, based upon the capabilities of the "parent" cartridge.
Basically 500 S&W Magnum with a slightly rebated rim... it's an AR 10-based build, so it ought to hold up okay.
Anyhow, I figure that it might just be the king of the thumpers, based upon the capabilities of the "parent" cartridge.