Have a pair of Trig HDs (0137) on order for my Shield and would like to install them myself. I have a Sig pusher and a Glock pusher but no Shield pusher. This leaves the old hammer and punch method. Wondering how tight the clearances are; I can remember some Sigs even the pusher strained to get out/in. I have done many over the years but still get queezy hammering on those night sights. Looking from behind, do they come out to the right? Beyond heating the slide and keeping the new sight cold, any advice is greatly appreciated. Thanks, Ed

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Ed45