AR500.com's anniversary sale is going on, lots of discounts (20% off most stuff with code at top of their page) but the real star is the BOGO $65 steel rifle plates (Lvl 3 rated). Yes there's a wait, but the price is great.
https://www.ar500armor.com/level-iii-flat-bogo.html
https://www.ar500armor.com/level-iii-flat-bogo.html