Beretta 92FS, Glock 17, Glock 19, Smith&Wesson M&P9, Smith&Wesson M&P40
A safety device that flashes red when you have 3 rounds remaining in the magazine.
Easy to install.
The LED Advisor is the same size and weight as the original backstrap.
LED Briefly activates when shooting.
Ambidextrous push-button to consult the ammo level.
Each LED Advisor is sold with two magazine followers; you can purchase more followers here
*WARNING. This device does not consider, nor count, rounds in the chamber. ALWAYS treat any firearm as if it was loaded.