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Greg,this is a new one on me!To my knowledge,cryogenics was used to supposedly relieve stress from cutting the rifling in inexpensive,production firearms.Some have claimed that it also realigns the "grain"in the metal to help increase accuracy.In an automobile,I would assume forging would accomplish more.It always seemed like so much flim flam to me,but maybe its real.Anybody in the know care to comment?
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