The HLAD-3G is a civilian legal version of South Korea's domestically produced IR laser aiming module; the MLAD. You can actually buy these as a civilian in the US, but they cost a lot and their on-paper specs are no better than a Holosun unit.
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I can't believe I forgot to make a joke about how the company's name is literally "Dong-In Optical."
Amazon affiliate links to stuff in this video:
https://amzn.to/3IqEMaF - Holosun LS321G, the laser you buy as a protest against the current state of the market
https://amzn.to/3BMX5CY - SiOnyx Aurora, for recording your own late-afternoon activities in extremely low resolution