Quick view AmeriGlo Ameriglo Defoor, Amer Gt504 Defoor Tact Sts Glk 9/40 $31.79 Ameriglo brings a clear advantage to your shooting experience on and off the range.The defoor tactical sight is constructed of nitride treated alloy steel for low glare, serrated front, and flat notch rear.This model has a black finish and is compatible... Compare Add to Cart