Thread: Trying to ID a picatinny rail - canted or not?

I’ve got a sendero 7 rum that I’ve never really used, but recently decided to resurrect. It’s got a rail on it which I am pretty sure is a Weaver Extended Multi Slot 1 piece rail, but I can’t figure out if it’s canted (20moa) or not. Only markings on it are ‘Weaver made in USA’ on the side and the number 442 on the top. This number doesn’t correspond to any weaver part numbers for rem700 rails, and google is failing me. I suspected it was a 20moa rail (current weaver catalogue indicates they don’t make a 0 moa version), but when I mounted a scope and bore sighted today, I ended up with less than half of the elevation adjustment available. Scope has 30+ mil of elevation adjustment, but once bore sighted I’ve ‘only’ got ~13 mil of UP left. Makes me suspect it’s a 0 moa rail and I just ended up with the bore sight zero not in the middle of the scope mechanical adjustment range?!

Has anyone got a weaver extended multi slot rail that can take some thickness measurements (front and rear) and share?



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I have a weaver #99495 rail (savage SA) here, which has ‘507’ engraved on top, so seems like that number doesn’t actually translate to the model number itself.. lovely hey.

Originally Posted by StrikerNZ

I have a weaver #99495 rail (savage SA) here, which has ‘507’ engraved on top, so seems like that number doesn’t actually translate to the model number itself.. lovely hey.

Haha, yeah that’s super handy! Maybe it’s a batch number or something?


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