SF C2 Brass Body?

bestcounsel

Enlightened
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I just got another SF C2 and the body seems to be brass....nothing like a 6PL with the silver type aluminum....

I am no metal expert so maybe someone could chime in?
 
I just got another SF C2 and the body seems to be brass....nothing like a 6PL with the silver type aluminum....

I am no metal expert so maybe someone could chime in?

Could it just be a particularly yellow batch of Chemcoat (the coating on the inside)?
 
That's the first thing that came to my head when reading the OP.

I would say that you have just received an older bodied C2.

:thumbsup:
 
its not brass.
Its just the aluminum coating that they used on the inside. Their older lights used a yellow colored coating.
 
No no, the older process (the gold colored one) uses Hexavalent chromium (I assume alodining???) , which is really nasty stuff in the production process. The new one uses a different chemical process, probably trivalent chrome which leaves a clear film and is supposed to be very safe in comparison.
 
heres a pic of my A2, you can see where the 2 parts come together... and the different colors.

it really does look like brass though, which has me wondering, now that I am looking at it this closely for the first time.



OOps better thumbnail the image.
 
heres a pic of my A2, you can see where the 2 parts come together... and the different colors.

it really does look like brass though, which has me wondering, now that I am looking at it this closely for the first time.



OOps better thumbnail the image.
If you check out the A2 thread you'll discover that the A2 and other SureFires featuring their two-stage push button pressure switch have a specially selected metal alloy ring press-fitted into the body to provide the ideal electrical contact conditions, keeping the contact surface as low-resistance as possible whilst keeping it durable and corrosion-free.

Here is an example of a U2 body (of course this is the same body as used by the Kroma and the DEFs which are two-stage)
al-u2b.jpg
 

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