Extractor O Ring - Page 2
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Old 07-15-2012, 04:33 AM   #11
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The "O" or "D" rings are NOT good. Just install an enhanced spring with the black insert and go to town. Specialized Armament Warehouse, Sprinco, and Wolf make excellent extractor springs. I ran the Specialized springs for years, but recently changed to the Sprinco as I know the owner and I got one for free!!

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Old 07-15-2012, 04:50 AM   #12
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Quote:
Originally Posted by okdonk View Post
What black insert u r referring to? The one in the middle of the spring?
Yes... in the extractor spring.

My DD BCG came without an O ring installed but they did include one on the side. BCM did the same. ArmaLite had the black insert and spring plus the O ring installed (which I removed before firing the rifle).
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Old 07-15-2012, 05:39 AM   #13
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Oh well.. at least i learnt about the ring today. Last week when i ran test my Noveske, it worked without a hiccup. In any case if there's a problem, at least i know what it might be.

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Old 07-15-2012, 06:33 PM   #14
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OK,

Yes the Extractor Insert is in the Middle of the Extractor Spring.

03

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Old 07-16-2012, 01:29 AM   #15
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I bought my first URG from DD and it came with the o ring installed. I called and asked why some did and some didn't. Their reply; "We didn't used to use them, but after a few tests and trials we found the rifle to be marginally more reliable with extractions when the o ring was installed. It'll run fine without it but we figured if it would improve extractions and therefore reliability, even if only a little, we should put em in there." So I take the manufacturers recommendation.

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Old 07-16-2012, 01:42 AM   #16
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Quote:
Originally Posted by broke-again124 View Post
I bought my first URG from DD and it came with the o ring installed. I called and asked why some did and some didn't. Their reply; "We didn't used to use them, but after a few tests and trials we found the rifle to be marginally more reliable with extractions when the o ring was installed. It'll run fine without it but we figured if it would improve extractions and therefore reliability, even if only a little, we should put em in there." So I take the manufacturers recommendation.
Very interesting! I hadn't heard that. I had intermittent extraction problems with my DD upper and finally bought a BCM extractor and spring kit which solved it. I've heard DD had some trouble with their extractors for awhile, mine included, so maybe this was a quick way to get rifles running again. Still I don't like the idea of the O-ring in a semiauto carbine or rifle. I should call them about my extractor just to hear what they say. Probably won't, it's fixed but it could be fun to tell them it took a BCM extractor!
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Old 07-16-2012, 01:53 AM   #17
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Go tell them Q! Im eager to know what they'll say about it.

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Old 07-16-2012, 10:16 PM   #18
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Quote:
Originally Posted by Quentin View Post
Yes... in the extractor spring.

.
The ones I have seen are blue. Guess it depends on manufacturer.
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Old 07-17-2012, 12:19 AM   #19
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I read the blue insert/spring was for M16s and black for M4s but then the military decided it made more sense to just use black. And I understand the color of the insert doesn't really do anything except tell you which spring you have.

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Old 07-23-2012, 02:16 PM   #20
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Quote:
Originally Posted by Quentin View Post
I read the blue insert/spring was for M16s and black for M4s but then the military decided it made more sense to just use black. And I understand the color of the insert doesn't really do anything except tell you which spring you have.
I'll go along with that. Makes as much sense as anything else. Thanks for the info.
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