Assertion: black powder express | /r/HasProperty | 440 gr
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Source sentences:
text: A Comparison of .500 Express Cartridge Loadings Cartridge Bullet Muzzle Velocity Muzzle Energy Comments .500 Black Powder Express 440 gr (29 g) 1,500 ft/s (460 m/s) 2,198 ft⋅lbf (2,980 J)