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Posted: 9/2/2014 1:36:52 PM EDT
[#1]
Where did you buy your new rings from? It sounds to me like your BCG is still good to go since you didnt have a failure of any sort and just decided to swap them out. The by the book test is to hold the carrier vertically in the air and if bolt falls under its own weight, then the rings need to be replaced. I have a feeling yours werent that far gone yet.
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Posted: 9/2/2014 1:52:14 PM EDT
[#2]
Ahh yes its not quite that bad. It falls under the weight of the entire BCG but not under the weight of only the bolt. I have never replaced the rings and there are only 1.2k rounds through the rifle. I bought the rings on amazon, they are from RRA I believe. I will probably swap them out tonight. I am probably being picky, but I don't want to wait for it to fail.
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Posted: 9/2/2014 5:23:42 PM EDT
[#3]
Got home early from work and pulled out the BCG and look what I found...
Everything is fixed now. Sent an email to PSA to let them know their rings crapped out on me. |
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Posted: 9/2/2014 5:27:31 PM EDT
[#4]
when you clean the bolt separate the ring gaps
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Posted: 9/2/2014 5:36:30 PM EDT
[#5]
Yep, I spaced them out. They weren't perfectly even but spaced.
A little annoyed that one failed so quickly although I am glad that the entire BCG remained functional and that I probably wasn't having premature/excessive wear and likely just a defective ring. |
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Posted: 9/2/2014 5:40:26 PM EDT
[#6]
If you want to check to see that your bolt, carrier, and gas rings are within specification; here are some blueprints to measure from. The carrier is for a M231, but the front of the carrier is identical to front of M16, M4, and AR15 carriers.
Blueprint Drawings |
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Posted: 9/2/2014 6:22:24 PM EDT
[#7]
Quote HistoryQuoted:
when you clean the bolt separate the ring gaps Total MYTH! Colt teaches in the M-16 Armorers course that the weapon will run with only one gas ring installed. When the rings are compressed into the carrier bore the gaps close up to where there is very little blow by. |
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Posted: 9/2/2014 7:29:23 PM EDT
[#8]
Since we are on the subject, what is the best way to put new gas rings on the bolt? Any good videos of it being done?
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Posted: 9/2/2014 9:04:16 PM EDT
[#9]
Quote HistoryQuoted:
Total MYTH! Colt teaches in the M-16 Armorers course that the weapon will run with only one gas ring installed. When the rings are compressed into the carrier bore the gaps close up to where there is very little blow by. Quote HistoryQuoted:
Quoted:
when you clean the bolt separate the ring gaps Total MYTH! Colt teaches in the M-16 Armorers course that the weapon will run with only one gas ring installed. When the rings are compressed into the carrier bore the gaps close up to where there is very little blow by. |
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Posted: 9/2/2014 9:17:04 PM EDT
[#10]
Quote HistoryQuoted:
Since we are on the subject, what is the best way to put new gas rings on the bolt? Any good videos of it being done? Rings come off one at a time, starting with the one at the end opposite the bolt lugs. Use your thumbnail or a small tool if needed (dental pick, screw-driver, etc). Grab the end of the ring, pull it out of the groove and down. They are flexible, but don't bend them more than needed to get them out of the groove. Remove all three, reverse the procedure to get the new ones on. |
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Posted: 9/2/2014 10:42:27 PM EDT
[#11]
Quote HistoryQuoted:
Rings come off one at a time, starting with the one at the end opposite the bolt lugs. Use your thumbnail or a small tool if needed (dental pick, screw-driver, etc). Grab the end of the ring, pull it out of the groove and down. They are flexible, but don't bend them more than needed to get them out of the groove. Remove all three, reverse the procedure to get the new ones on. Quote HistoryQuoted:
Quoted:
Since we are on the subject, what is the best way to put new gas rings on the bolt? Any good videos of it being done? Rings come off one at a time, starting with the one at the end opposite the bolt lugs. Use your thumbnail or a small tool if needed (dental pick, screw-driver, etc). Grab the end of the ring, pull it out of the groove and down. They are flexible, but don't bend them more than needed to get them out of the groove. Remove all three, reverse the procedure to get the new ones on. Ok...I was kinda thinking that to install you would slide them over the end of the bolt expanding them just enough to clear that first lip. I always worried about bending them to far out of round installing them. Of course not worried taking old one off. 
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Posted: 9/2/2014 11:47:36 PM EDT
[#12]
TM 9-1005-319-23&P has all the information needed that can be used to maintain an AR15. The excerpts below are from sections 0012-3 & 0012-7.
Removal: Using flat tip jeweler's screwdriver, remove three bolt rings (8) from bolt (4). Installation: To install a bolt ring, carefully place one end in the bolt ring groove and hold in place with the thumb of one hand. With the index finger of the other hand, gently guide and push the rest of the bolt ring into the groove a little bit at a time until the entire bolt ring is in place. |
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Posted: 9/7/2014 8:40:40 PM EDT
[#13]
Even though my bolt is near a year old they are sending me out (at no cost) replacement gas rings. PSA made things right, very happy with them.
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Posted: 9/9/2014 2:51:42 PM EDT
[#14]
Quote HistoryQuoted:
Even though my bolt is near a year old they are sending me out (at no cost) replacement gas rings. PSA made things right, very happy with them. Interesting, I had the same issue on a PSA bolt with less than 800 rds on it. Emailed and called leaving a message. I finally bought some off another vendor when PSA never contacted me back. |
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Posted: 9/12/2014 6:55:17 PM EDT
[#15]
Quote HistoryQuoted:
Even though my bolt is near a year old they are sending me out (at no cost) replacement gas rings. PSA made things right, very happy with them. WBlackidge, I'm glad you got the issue resolved without any excess money spent. Gas rings don't cost much anyway and with the round count you had I beleive you should have replaced them a good while ago. Impala |
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Posted: 9/18/2014 12:38:26 PM EDT
[#16]
1,200 rounds? I think gas rings should last longer than that.
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Posted: 9/18/2014 12:40:18 PM EDT
[#17]
Quote HistoryQuoted:
Interesting, I had the same issue on a PSA bolt with less than 800 rds on it. Emailed and called leaving a message. I finally bought some off another vendor when PSA never contacted me back. Quote HistoryQuoted:
Quoted:
Even though my bolt is near a year old they are sending me out (at no cost) replacement gas rings. PSA made things right, very happy with them. Interesting, I had the same issue on a PSA bolt with less than 800 rds on it. Emailed and called leaving a message. I finally bought some off another vendor when PSA never contacted me back. I emailed them at: [email protected] A person with a non-info email address who works for their customer service got back to me in a few days. If you PM me I can get you that person's email. |
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