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Posted: 9/23/2005 5:52:43 AM EDT
I had to replace my original gas rings 'cause the bolt was quite loose in the carrier.
It was a new "no-name" M16 B/C group that I bought from someone (now i realize it must have been a factory reject  )Got 3 or 4 failure to fire in about 500 rds. A friend sent me his used Colt rings. Just fired 40 rds the other day. All went fine. So I ordered this McFarland ring setup. What are your impressions on this thing ? Is it really a good upgrade ? |
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Posted: 9/23/2005 5:57:48 AM EDT
[#1]
It's awesome
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Posted: 9/23/2005 6:09:54 AM EDT
[#2]
Good upgrade.
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Posted: 9/23/2005 6:14:21 AM EDT
[#3]
When new, the McFarland ring will make it difficult to insert the bolt into the bolt carrier. Bolt movement in the carrier will be quite stiff. After you fire a mag it will smooth out and feel more normal. These rings hold up very well in my experience.
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Posted: 9/23/2005 6:50:55 AM EDT
[#4]
+1 They work well. |
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Posted: 9/23/2005 9:03:43 AM EDT
[#5]
One of the most inexpensive yet important upgrades a person can make on a AR
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Posted: 9/23/2005 9:30:21 AM EDT
[#6]
LOVE THEM |
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Posted: 9/23/2005 9:41:45 AM EDT
[#7]
How much are they?
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Posted: 9/23/2005 10:32:03 AM EDT
[#8]
Last time I bought a few they were like $3.00 |
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Posted: 9/23/2005 11:58:29 AM EDT
[#9]
i bought a few to see what they were about after some discussion in another thread a while back.
thought they were ok, never had any problems with the std ones so i did not notice any difference 
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Posted: 9/23/2005 1:44:18 PM EDT
[#10]
any reccommendations of where to buy this from?
I hate moving those little rings around! |
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Posted: 9/23/2005 2:14:50 PM EDT
[#11]
Rick McDowell of Competition Specialties, ( 105 E. Cass, PO Box 451, Osceola, Iowa 50213 Phone: (800)369-4481 / (641)342-2011 )
Why are you doing that? They don't need to be 'moved around'. They will continue to rotate on their own as the bolt cycles. As you as you install the bolt into the carrier they have moved from the position you put them in. |
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Posted: 9/23/2005 2:37:19 PM EDT
[#12]
who offers them?
ETA: let me rephrase that, what dealers on this site offer them? |
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Posted: 9/23/2005 2:37:47 PM EDT
[#13]
With all due respect to Mr. McFarland, I do not think he is the originator of the design.
The commercial name of these are "Spiral Locks". They have been used in motorcycle and ATV applications as well as automotive for some time. They are used to retain the floating piston pins that connect the rod to the piston. Most OEM makers use a round wire clip to retain the pin, and it works fine as a low cost item. The Spiral Locks were usually included in aftermarket piston kits. If McFarland sized them to work for gas rings, then good for him. I have used them on quite a few AR's, and they work great. Some folks just like to be different. |
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Posted: 9/23/2005 2:40:12 PM EDT
[#14]
anybody have a pic or a link to see what it looks like
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Posted: 9/23/2005 3:34:12 PM EDT
[#15]
What are the advantages over standard gas rings?
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Posted: 9/23/2005 4:52:54 PM EDT
[#16]
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Posted: 9/23/2005 5:08:09 PM EDT
[#17]
Ah crap. Yet another "gadget" to add to my collection.
 Seriously, I hate aligning the damn rings only to have them shift the moment I put the bolt back into the carrier.
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Posted: 9/23/2005 5:21:03 PM EDT
[#18]
How would you install it? |
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Posted: 9/23/2005 5:24:54 PM EDT
[#19]
Are these rings part of the upgrade Crane does on the M4 CQBR uppers?
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Posted: 9/23/2005 5:55:01 PM EDT
[#20]
Just twist it on like a nut. I run them in all of my AR's. |
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Posted: 9/23/2005 11:45:07 PM EDT
[#21]
place one of the ends on and twist/screw it on, fairly simple similar to the std rings but continous |
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Posted: 9/24/2005 1:56:21 AM EDT
[#22]
$1.50 a piece 
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Posted: 9/24/2005 2:39:31 AM EDT
[#23]
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Posted: 9/24/2005 3:45:32 AM EDT
[#24]
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Posted: 9/24/2005 7:02:12 AM EDT
[#25]
Not to poo poo anyone, but I never got the big deal on them. I've NEVER had issues with my gas rings on guns with over 10K rd . So what makes them so Awesome over a set of new OEM rings .
I don't see these as performance enhancing, just another way to skin the cat so to speak. Below are quotes by everyone who recommends them, but yet I see nothing that lends any creedance to the fact they they work better then the OEM rings
And if these rings were $25 instead of $3 would you all still recommend them and think their all that and a bag of cheese puffs?? Just curious. |
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Posted: 9/24/2005 7:47:21 AM EDT
[#26]
I don't see a big change in the way my AR's function with them. Since I ordered some from Brownells for the M4 I built I figured I change all my AR's with them. They work and only time will tell. The only problem I can see is if you take the rings off to clean out the groove then it is a pain to take it off.
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Posted: 9/24/2005 7:50:12 AM EDT
[#27]
They are also the perfect partner to the $7 cotter pin!
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Posted: 9/24/2005 8:39:45 AM EDT
[#28]
 you take the rings off to clean in between the grooves?
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Posted: 9/24/2005 8:41:11 AM EDT
[#29]
actually mine was a bit tighter with the mcfarland gas rings. |
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Posted: 9/24/2005 8:57:14 AM EDT
[#30]
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Posted: 9/24/2005 8:59:43 AM EDT
[#31]
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Posted: 9/24/2005 9:32:47 AM EDT
[#32]
similar to that in a way |
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Posted: 9/25/2005 11:25:04 AM EDT
[#33]
Armalite carries these for $3.00.
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Posted: 9/25/2005 2:16:50 PM EDT
[#34]
Waste of money. An AR/M16 will run on a single gas ring.
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Posted: 9/25/2005 6:01:13 PM EDT
[#35]
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Posted: 9/25/2005 9:09:13 PM EDT
[#36]
tag
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Posted: 9/25/2005 10:07:09 PM EDT
[#37]
i have yet to see for myself any difference between the mcfarlands and std ones. had about 10k through my rifle with the std rings and never had any problems. read a thread that gave the mcfarland rings high ratings so i wanted to see for myself and it has about 4-5k through it and i have notice no performance changes and the only change was when i first installed them they were a bit tight. |
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