InvisbleSight IS-EG NGAL, As Good as a Clone Gets?
This guide details the installation and zeroing of the InvisibleSight IS-EG NGAL, a clone of the L3 NGAL. It covers mounting, laser co-alignment checks, zeroing the visible laser, and confirming zero retention after live fire. The guide also touches on IR illuminator performance with night vision devices. Instruction emphasizes data-driven performance assessment, as demonstrated by the reviewer's objective testing methods.












