[ARCHIVED THREAD] - first build

Posted: 11/8/2012 8:24:29 AM EDT

Hi, I'm new to building an AR. i'm building an A3 flattop with full length quad rail and low profile gas block. if i go with magpul MBUS flip up front and rear sights, what optics and mounts will work so when i flip up the iron sight can i see through the optics? I'm looking at the Burris fastfire or maybe an aimpoint. Thanks for any advice.