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JIMMYD
September 18, 2001, 16:15
What is the bore diameter of the gas tube and what is the overall length of the piston spring? :confused:

GUNNUT1947
September 18, 2001, 17:36
You got me to thinking, so measured one on my Imbel kit. What i came up with was .432 ID and spring lenght is 10 5/8 in. with 72 coils. :)