Protective lens cap for SF X300 weapon light

Important
This is intended for airsoft purpose only. Do not use it on any sort of firearms.
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Description:
A protective cover mounted on the SF X300 weapon light bezel and allow a 2mm protective lens sit between the cover and bezel
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Extra material required:
A plastic lens of 2mm thickness and 27mm diameter
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Extra modification required:
none/reversable
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Instruction Video:
http://youtu.be/F4rLdA1PhuU