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-   -   Stupid Noobie question about rails. (http://www.firearmstalk.com/forums/f20/stupid-noobie-question-about-rails-11188/)

Jesse17 02-23-2009 04:36 AM

Stupid Noobie question about rails.
 
So I finally got around to buying an AR-10 (I know I should have built one, but you know the saying about hindsight being 20-20).

I have a question about the rails on these modular guns. I see it has a sort of dove-tail shape like many regular long guns have, and understand how the site rings clip on to that shape.

What I don't understand is what the square-ish blocks are for above that?

Dillinger 02-23-2009 01:40 PM

Picatinny Rail Dimensions

Picatinny_Wiki

That will get you started on a little more knowledge of what the rail is for and how it is used.

JD


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