Forward Controls BIS, G43x/48 w/ Tritium

BIS, G43X/48 (Backup Iron Sight, G43X/G48) is a collaboration between Ameriglo and FCD. Specifically made for Glock®G43X and G48, these sights are based on the superb Ameriglo GL-527 with a front sight height of 0.450", and a rear sight height...