Best place to buy a Scope Mount

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Hi!

I need some advise. Thank you to help me.


I'm looking for two things :

First : a Burris AR-PEPR QD Scope Mount 1in .

Secundo : a Vortex Sparks or maybe a EOTech.

Where is the best place to buy a this kind of mount and a RedDotSight in Canada?

Thank You very much for your help.