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Comment: Re:Laser guidance? (Score 1) 265

by Inthewire (#35986286) Attached to: Robo-Gunsight System Makes Sniper's Life Easier
...and in the world of firearms, imperial measurements are standard. Caliber implies fractions of an inch. There's no "9mm caliber." There's 9mm, which is .357 caliber. Which, irritating as it may be, is the same as .38 caliber. Case diameter, bullet diameter, marketing diameter all influence the designation.

"When the going gets tough, the tough get empirical." -- Jon Carroll