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The second set of screws you provided me still do not serve to secure the
Battery tray on my Holosun 407k x2 red dot. The threads on the screws are
simply too short to screw properly into the battery tray frame. I do not believe
this is your fault. I believe this is the fault of Holosun, with their preposterous
battery tray attachment problem on their red dot. In the future, I will only purchase
equipment from reasonable and reputable red dot scope vendors.
Seems like it’s always on and not going into sleep/shake awake
Easy install, perfect fit, and idiot proof. Keeps my sight securely fastened.
I found this mounting upgrade for the Echelon 4C and Holosun 407K on YouTube and it worked perfectly and looks great. Comes with everything you need.
Quick and very responsive def appreciate them