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View Full Version : PTR 91 Barrel thread size

ken mcd
11-08-2006, 08:47
Does any one know the thread size on the end of the barrel where the flash hider is. I think it is 16mm but I don't know the pitch.
shari71
11-10-2006, 00:02
Hk Flashhiders are 15mmx1.0
HTH