Surefire Model 660

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cvo

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Jan 10, 2012
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I would like some more lumen's, it has a P60 lamp. What would a step up be using the two 123's?
 
Last edited:
The 660 is essentially a weapon mounted 6P, just broken down into different parts for modularity. Do some searches on Malkoff. If you have the Z32 (shock isolated bezel), consider upgrading the bezel as well, with a regular Z44, to better manage the heat of the malkoff. Hope this helps!
 
angelofwar said:
The 660 is essentially a weapon mounted 6P, just broken down into different parts for modularity. Do some searches on Malkoff. If you have the Z32 (shock isolated bezel), consider upgrading the bezel as well, with a regular Z44, to better manage the heat of the malkoff. Hope this helps!
Click to expand...

Its a P body, but the head is larger than my other 6P light.
 
cvo said:
Its a P body, but the head is larger than my other 6P light.
Click to expand...

You have a Z32 bezel, which is essentially a 6P Bezel made a little bigger by adding a shock isolation system (to prevent the hot filament breaking under recoil). The Z32 will attach to any G/C/P/Z series SF, but since the inside of the bezel is lined with foam (which provides the shock isolation), it tends to trap heat, as opposed to metal lined bezel, which dissipates it away from the lamp. This is not an issue with Incans, but the trapped heat can ruin LED elctronics, or melt the glue on the inside, causing pre-mature failure.

Check out the links in my sig, for some pic's/diagrams of this.
 
I see what your talking about on the shock isolation.
 
A Surefire P60L LED module would work fine and the LEDs are rugged. As AOW mentioned a Malkoff drop is another option. The one piece Surefire KX4 heads will also work. Pretty much any bezel or head you are getting on a 6P you can use on the 660. I would go with an LED head if you are going to mount on a weapon, although the Z32 bezels do a great job with the incans.
 
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LE6920 said:
A Surefire P60L LED module would work fine and the LEDs are rugged. As AOW mentioned a Malkoff drop is another option. The one piece Surefire KX4 heads will also work. Pretty much any bezel or head you are getting on a 6P you can use on the 660. I would go with an LED head if you are going to mount on a weapon, although the Z32 bezels do a great job with the incans.
Click to expand...

Its mounted on your screen name.
 
Then I would put a P60L in it if you have one available or a Malkoff drop in. The Malkoffs go on sale once in a while or watch the WTS board and get one cheap.
 
dmitchell28 said:
We're can you get a p60L and how big of a difference is this change
Click to expand...

Rated at 80 lumens, and out-of-production, I believe.

They would be available through the usual means (Google, eBay, WTB/WTS threads, etc, etc), but more modern options are available ... as noted above.

Malkoff, in particular, are specifically designed for this purpose :)
 
dmitchell28 said:
With a malkoff will I have to change the bezel?
Click to expand...

angelofwar said:
The 660 is essentially a weapon mounted 6P, just broken down into different parts for modularity. Do some searches on Malkoff. If you have the Z32 (shock isolated bezel), consider upgrading the bezel as well, with a regular Z44, to better manage the heat of the malkoff. Hope this helps!
Click to expand...

Yep, as AoW noted, that would indeed be preferred :thumbsup:
 
While i have no experience with the Surefire 660 i do have a Shotgun Fore end model 636. One thing that you do need to check is if the Malkoff dropin will fit the body as the model i have has a small plastic tab right below the dropin space which is there to prevent the batteries from ramming into the bulb. Also the tolerance for the dropin is extremely tight and the Malkoff dropin does not fit my particular shotgun fore end. Just thought i'd chime in, otherwise they are great.

The KX4 works great infact i totally prefer it over the P60L which failed to impress me in terms of output and a horrible purple tint.
 
I am sorry if I am wearing you guys out with crazy questions. Is it even possible to find a KX4 for a decent price?
 
I was hoping to stay in the $40-$50 range if possible. Is it possible to sell my current bezel and get money out of it?
 
I have a drop in on its way. Its a XP-G2 4000K. I was told I didnt even have to change the bezel just wrap the drop in in aluminum foil and everything should be great. I sure do hope so.
 
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