OC-3 CGN frequent flyer Rating - 100% 27 0 0 Location Burnaby, BC Mar 30, 2007 #1 Hi all, Looking to fit a tritium bead site to a Norinco HP9 (870 clone). I can't seem to find the pitch of the factory threading. Does anyone have an idea? Thanks!
Hi all, Looking to fit a tritium bead site to a Norinco HP9 (870 clone). I can't seem to find the pitch of the factory threading. Does anyone have an idea? Thanks!
RePete CGN Ultra frequent flyer Rating - 100% 170 0 0 Location This Solar System Mar 31, 2007 #2 It may be a metric thread. Why not re-tap the hole to fit the new sight?
H Hasbin New member EE Expired Rating - 0% 0 0 0 Mar 31, 2007 #3 According to my thread guage it is 3M 0.5
OC-3 CGN frequent flyer Rating - 100% 27 0 0 Location Burnaby, BC Mar 31, 2007 #4 Thanks gentlemen, I will re-tap.