Tyrant CNC TDG17MAGEXBLK Magazine Extension Fits Glock 17/22/34/35/19X Black Aerospace Grade Aluminum Magazines and Accessories The C4 LED technology is

The C4 LED technology is impervious to shock

Use all season long as a potent curiosity and infringement attractant

It provides a clear view of the target and front sight and can be used when the light is too dim for other sights

and maintains your unwavering focus on the target

Tyrant CNC TDG17MAGEXBLK Magazine Extension Fits Glock 17/22/34/35/19X Black Aerospace Grade Aluminum Magazines and Accessories The C4 LED technology isThe magazine base pads are CNC machined from aerospace grade aluminum. This gives any operator the added weight needed for base pads to drop free and fast. The mag extensions instantly add 5 rounds to 9mm and 4 rounds to . 40 cal for the Glock 17 19x 22 34 35 45.