Hookster Posted April 12, 2009 Posted April 12, 2009 Hey All, I will be switching sights on my M1S90 to some Meprolights. I was wondering if anyone knows the proper size wrench for the small nut that secures the front post? I assume it's metric. Thanks in advance. Hookster Quote
alisske Posted April 13, 2009 Posted April 13, 2009 I believe it is 1/4 inch. I swapped out mine and used a 5.5 millimeter. It worked great. FYI suprisingly enough, the benelli uses a lot of standard stuff Quote
Hookster Posted April 13, 2009 Author Posted April 13, 2009 Thanks Alisske, I'll give that size a try when the sights arrive. I was thinking of using a little blue LocTite also for good measure. Quote
Drundel Posted April 13, 2009 Posted April 13, 2009 I put some in my SN and now for some reason the sight is way off. Its either high or low (I don't remember which) but before I put in the sights, it was right now. I went back to old sights, no luck. Not sure what's going on, but I can't find any info if there is a right way or wrong way to install them. VERY frustrating. Quote
Hookster Posted April 14, 2009 Author Posted April 14, 2009 That seems pretty strange, You weren't able to adjust them to a zero without bottoming out the elevation adjustment? I was wondering why the front sights have the additional side to side adjustment with the little marks when the windage adjustment is on the rear sight? Quote
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