Surefire F07-A lens cover is a POS

Tactical Gear Tactical Lights, Lasers & Knives
1

A couple rounds is all it takes to dislodge this thing from my X300U. Guess I’ll stick to manually cleaning carbon/GSR off the lens.

Luckily I used some Amzn reward points to buy it.

2

Thrym CLENS

https://thyrm.com/product/clens-protector/

3

Try a little hairspray on the friction fit portion of the lens cover.