Primary Arms GLX 2x Prism: Optimized for .300 Blackout
This guide details the installation and initial zeroing of the Primary Arms GLX 2x Prism optic, emphasizing proper mounting height, eye relief, and utilizing the ACSS reticle for .300 Blackout. It covers selecting risers, confirming illumination, and the basic steps for achieving a zero, highlighting the optic's features like AutoLive and its suitability for .300 Blackout.













