TruGlo TGTG231G1XW Tritium X Low, White Outline Tritium Front/ Green Tritium Rear/Black Nitride Fortress Frame, Compatible w/Most Glock Except MOS, Front Post/Rear Dovetail Mount Displays The Geissele Reaction Block is

The Geissele Reaction Block is designed to aid in the assembly of lower receivers

The 34mm fixed mount is constructed of aircraft-grade 6061-T6 aluminum and finished in a matte black

while blocking out any peripheral light

they shed the front portion of the bullet into four petals that radiate outward away from the bullet's initial trajectory path resulting in a massive energy spike

TruGlo TGTG231G1XW Tritium X Low, White Outline Tritium Front/ Green Tritium Rear/Black Nitride Fortress Frame, Compatible w/Most Glock Except MOS, Front Post/Rear Dovetail Mount Displays The Geissele Reaction Block isTRUGLO Tritium X sights are made from solid steel and treated with a nitride Fortress finish to handle just about anything. Swiss Tritium lamps provide a bright and constant glow in low light or even complete darkness. Front Sight Length: 1. 0". Front Sight Width: 1. 0". Front Sight Height: 1. 0". Rear Sight Length: 1. 0". Rear Sight Width: 1. 0". Rear Sight Height: 1. 0". Compatible w Glock 17 17L 19 19X 22 23 24 26 27 33 34 35 39 45 Except MOS