According to Jenson(the British Intelligence guy), his experts thought the guns were 9-inch rifled guns, through Jenson himself though they were 210mm 'crunch' guns (210mm= 8 inches) When Mallory gets to the gun cave, he estimates the guns at 12 inches minimum, though he might have exaggerated the size due to exhaustion and the dark. OTOH, the movie departs so radically from the book that the gun's size is still up for grabs.
English/Metric conversions: 9 inches = 228.6mm
210mm = 8.27 inches
12 inches = 304.8mm
Last edited by Mandolin1; 09-27-2010 at 01:28 PM.
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