pmaitra
Senior Member
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The 12.7×99 mm NATO ammo is particularly great. It is just right for its role.
We already have one that uses these calibres: 12.7×107 mm, 14.5×114 mm and 20×82 mm.
Ordnance Factory Board
12.7×99 mm and 12.7×107 mm should perform fairly similarly.
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