- Soviet: 14.5mmx114; 6.13in length; 4.46in case length, 1.06in rim diameter; 994 gr bullet weight; 478 gr charge weight; 3200 fps muzzle velocity
- UK Boys Antii-Tank Rifle: 13.9mmx99B; 5.31in round length; 3.95in case length; .7907 rim diameter; 735 gr bullet weight; 212 gr charge weight; 2900 fps muzzle velocity
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