Thanks! This is exactly what I was looking for. Did you use loctite or any other method, or just attach how Surefire recommends (how is that?)
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I've had to replace my Scout DF already maybe 4-5 months ago, Surefire took care of it but said it was due to my use of CLP within the light itself, which was hard to believe from my end as I just used a small bottle of windex for my light lenses. I like the light fine, I do like my arisaka's more, but the Scout DF works fine, just a little shocked it failed on me already, otherwise my other 5-6 Surefire lights seem to be working fine
No loctite on the adjustment screw. I just get it as close to my 12:00 pic rail as possible without actually touching, brace the light head with my finger so it doesn’t turn while tightening, and crank on the Allen wrench. I want to say the mount screws to the handguard come with loctite already.
I had an issue with an early DF flickering and dimming, SureFire replaced it. I don’t remember if they asked if I use lube on it or not but I’ve heard of them telling people before that eats the rubber gasket around the lens or something.
I have a new one that is having the same issues. I need to try a different battery and end cap before reaching out to them but there’s something going on with it. Seems like there were/are some components slipping through the cracks but if you get one that works off the bat, it should stay that way.
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FYI, the high candela Scout Lights are out now, I know the 18350/single cell versions are already in people's hands, and the 18650/dual cell is at least listed on the website:
https://www.surefire.com/products/il...s/m640dft-pro/
https://www.surefire.com/products/il...s/m340dft-pro/
One of the nice features of the Pro series lights is you can add this knurled thumb screw to make them QD. Now by simply adding a short section of pic rail to your hand guards you can use 1 light on multiple guns. The thumb screws are from McMaster Carr, made in USA, and do not come loose!
This makes more sense than buying multiple lights considering the lumens and candela tech increases every year.
Attachment 69738