Grizzly 870 Minus 1 LED Light

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bc6

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I had been looking into adding a light to the grizzly but i didnt like the idea of hanging something off the end. I carry the gun in a scabbard so it had to be streamlined. I couldnt find anything that would not hang out past the barrel.
I designed a low profile, "minus one", gun light that would be held in the end of my magazine tube. I wanted it to be as low profile as possible so it wouldnt hang out past the barrel. It uses a tactical LED flashlight in a custom housing.

Pictures should be available thru the url below.

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I got the idea of designing this while cruising the forums so I thought i would share.

CHeers
 
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What type of light did you use?
I've seen some impressive lights come out of http://www.dealextreme.com
They've got a DIY flashlight section and pressure switches for several models they sell.
One of the guys at my old work had a little one cell CR123 light I was very impressed with. Almost put my three cell Pila to shame.

Good job. I might have to steal the idea when I get my shotty.
 
Nice work,
Is it a twist on?
What kind of battery?
I like my flashlight attached on the foreend because the light spills onto the bead but if you get a tritium bead you'd be good to go in the dark..
opticsplanet_2055_95659540
 
Thanks for the feedback.
It uses a twist on, 55 Lumen 3-watt 100,000-hour T bin Luxeon LED, run off one CR123 battery.
Good question Beer Drinker, i will be doing some test firing this weekend. I am keeping my fingers crossed...hah.
Oldranger,
I have discussed a production run with my machinist but there are some potential issues that I would want to prove out before selling them. My main concern is the tolerances on the barrel ring location from gun to gun. If anyone has another 870 or grizzly in the kelowna area for me to measure it would be appreciated. Worst case the housing would need to be fit to each gun, this took about 10 minutes to carefully sand off about .005".
If there was enough demand I could probably do them for $200. The majority of the cost is in the machining. I used 6061 T6 and had it anodized black.
 
That's a great concept. The twist-on requirement would be a deal breaker for me, though. It really needs a pressure switch on the fore-end.
 
LOL,
a scene from doom!

I assume it will work with a grizzly mag. When I am back next week i hope to Test fit on a fellow CGNer's Mag fed Griz.
 
Good news, I shot a few dozen rounds yesterday with no ill effects to the light. i used 2 3/4 bird and 000 buck. I thought I had slugs in my pack as well but they were left at home. I will have to pick up some 3" slugs to be sure that it can take it.
 
LEDs will hold up to recoil for sure.
Surefires website even goes into detail saying their xenons have shock absorbers where the LEDs don't need them.
But supposedly the white LED light isn't as blinding as the yellow light from xenons, or at least, that's what one flashlight vendor was trying to tell me.
Flashing my 120 lumen LED in my eyes takes longer to recover from than the 200 lumen xenon bulb I have for the same light.

Oh and in response to Magnum Peanut, and in keeping with the Doom theme.
In doom 3 you can't even have hold a gun up at the same time as shine the flashlight, yet I still chose the flashlight in the most demon infested areas where it was too dark to see.
It was my guiding light and my friend. Then when they took it away from my, both my spirit and heart broke...

But hell, yeah stick it in the mag fed. Best of both worlds there.
 
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