Firing the infamous NTW 20mm
This video shows Groot Mamba, a reader of the blog, rapidly firing the NTW 20mm rifle. Groot is firing the 20X82mm round, which is, in a sense, a “20mm Short” round. When firing a projectile that can carry a high explosive warhead, kinetic energy is not necessarily required against soft targets because energy can be delivered with the chemical payload – hence the lower powered cartridge.
Groot says that the larger, and more common, 20x110mm round is nicer to fire because the muzzle brake is more effective.
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Steve it uses the 20 x 82 (in video), 20 x 110 and the 14.5 x 114
We tested it in the 20 x 102 Vulcan as well. Only a few shots
Later
GM
Lance:
Rule 37: There is no 'overkill'. There is only 'open fire' and 'I need to reload'.
— "The Seven Habits of Highly Effective Pirates", Schlock Mercenary