Looking
for a set up back up iron sights that won't break the bank? Check out this
review of the Magpul MBUS and find out why they're the best flip up sights for
the money.
Check out the Magpul MBUS Flip Sights by clicking this link: http://reddotshooters.com/mbus
Check out the Magpul MBUS Flip Sights by clicking this link: http://reddotshooters.com/mbus
