Looking at building my next AR but I want to do the best I can to reduce extractor vibration.
Do I need a specific type of extractor, spring, or O-ring?
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Senior Member
Looking at building my next AR but I want to do the best I can to reduce extractor vibration.
Do I need a specific type of extractor, spring, or O-ring?
Why do the loudest do the least?
Banned
I believe KAC has a new bolt with dual ejectors that is specifically designed to mitigate extractor vibration. I can’t speak for anyone else, but extractor vibration has been my biggest issue with the AR-15 platform, and this is a welcome development.
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^^ Dual extractor springs? Or dual ejectors like some 308 bolts? Please describe extractor vibration and its symptoms. And does this induce a material failure or performance failure that must be cleared? Thanks for your help.Originally Posted by Outlander Systems
Last edited by ScottsBad; 06-30-22 at 14:54.
Member
I think the included Viton O-rings, usually tossed in the trash, with new bolts can help reduce the rigorous extractor vibrations.
Banned
This. If I had a dollar for every vibrating-extractor based malfunction I've had, I'd actually shoot my AR.
Member
Extractor vibration? First time I've heard of this. What exactly is that, if you don't mind me asking?
Senior Member
30 years on the AR, and I've never heard of this tragic situation.
Also, KAC's bolt isn't new, but it does indeed have dual extractor springs.
"What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v
Senior Member
The extractor does not vibrate.
It does bounce occasionally. Understanding Extractor Lift in the M16 Family of Weapons
Get a gold colored Colt extractor spring assembly.
Banned
E3.2 Bolt. Finally a solution to the vibrating extractor problem that’s been plaguing just all these years.
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^^^
I've never heard of extractor vibration. I've not seen any info on this or what the symptoms are. My guess is that its a way to sell special bolts to solve a problem that doesn't exist, or is minor and only seen in full auto.
This is right, the LMT enhanced also has two extractor springs. But I don't know that its really necessary. I keep an extra bolt and cam pin with me instead of buying enhanced bolts.
Seems like a lot of people have come out with "enhanced" BCGs. Most have faded away because they didn't live up to the hype. I don't know jack about KAC BCGs, but LMT seems legit. The Geissele REBCG (C158 FORGED bolt) has not been around long enough to tell. Others meh...
I do have a couple LMT enhanced BCGs, but I mostly just keep extra BCM bolts with me. I'm not shooting nearly as much as I was anyway, but it seems to me that an extra complete BCG, or extra bolts are the way to go.
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