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Posted: 12/22/2016 3:10:26 PM EDT
[Last Edit: TCBA_Joe][Edited]
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This thread is about the recall, experiences, and technical issues.
Please DO NOT turn this into another "I hate SIG thread". There are plenty of those still active. SIG SAUER - MCX Mandatory Carriage Assembly Replacement Program
SIG SAUER is conducting a mandatory replacement of the carriage assembly in SIG MCX rifles. SIG has found through extensive factory testing that in extremely rare instances, not reported in the field and extremely difficult to replicate, a condition may exist causing an unintended discharge. Failure to follow the loading procedures and basic rules of safe firearms handling outlined in the user’s manual has the potential to cause serious bodily harm or death. Although this has only been witnessed in 300 blackout, SIG has decided to upgrade all MCX models since the MCX is a modular platform and we want to ensure the quality and reliability of all products we manufacture. Stop use of firearm immediately, and visit the SIG SAUER website listed below as soon as possible to register your firearm, initiate the process and view a video explaining how to change out your carriage assembly. SIG will send you a prepaid box to return your complete carriage assembly to the factory. A new assembly, designed with the firing pin locking mechanism, will be shipped out to you within 5-7 working days of the receipt of your parts at no cost to you. Please note total in transit times will vary based on geographic locations. SIG will also send you a $50 gift voucher for any inconvenience this may have caused. This upgraded carriage assembly addresses this potential issue while enhancing the performance and longevity of your rifle. You may also contact SIG SAUER customer service at the number below with any questions if needed. SIG SAUER is committed to addressing this issue in an expedited manner, and appreciates your support. Firearm Registration - https://www.sigsauer.com/support/warranty/warranty-registration/ For Customer Service - 603-610-3000: OPTION 1 For Instructional Video - https://www.sigsauer.com/press-releases/mcx-mandatory-carriage-assembly-replacement-program *Serial numbers 63C000044 – 63C003702 – Contact SIG Customer Service for instructions. *If you have replaced your trigger group with an aftermarket trigger please contact SIG Customer Service for instructions. *SIG SAUER Dealers should call designated Commercial Sales Support Representative. *Any MCX rifle with a serial number ending in 25000 or higher is exempt from this program. 
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Please, call me Joe
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| Got the email, have to send one in since I have the Geiselli trigger. Supposed to be an improvement overall to the system. No worries! Now the .300 will have an SSA! I see it as a positive to maintain product improvements to your rifle. |
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Originally Posted By Knoxp9090:
I am affected. What's the deal with calling customer service if an after market trigger was installed? I can't get through customer service is a solid busy tone. Sounds like there's an oddball issue with certain popular FCGs and they are fixing the issue instead of just saying nor to use that trigger. But that's pure speculation. |
Please, call me Joe
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| I was told that they would replace my current Geiselli with one designed (SSA) for the MCX as told to me and send the current one in the gun back to you. Since I have one with the Geiselli trigger, I have to send in the entire gun, otherwise just the carriage (BCG) The new carriage is redesigned with a firing pin safety and captured springs. |
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Originally Posted By mark5pt56:
I was told that they would replace my current Geiselli with one designed (SSA) for the MCX as told to me and send the current one in the gun back to you. Since I have one with the Geiselli trigger, I have to send in the entire gun, otherwise just the carriage (BCG) The new carriage is redesigned with a firing pin safety and captured springs. Wonder how Larues MBT and other premier triggers fall into this? |
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Maybe I'm dumb, but going to the link SIG provided does not get me to "initiate the process" as stated in their email. It seemingly only allows me to register a firearm that I registered long ago with SIG, and I see no button or instructions or link to "initiate the process" to have SIG ship me a return box. I know SIG knows I own the MCX, otherwise they wouldn't have sent me the initial message. I'll wait a while until the dust settles and try calling SIG.
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Originally Posted By Knoxp9090:
Wonder how Larues MBT and other premier triggers fall into this? Ok, so I just got off the phone with them. I have a Larue MBT in mine as well. He said he'll be sending me a box to send my entire rifle back in. He also said they'll be installing a Gessiele SSA trigger that's designed to work with the new assembly for free, and they'll send my MBT back in the box with the rifle so I can install it on another M4. His words, exactly. So, now I just wait for my box to show up and ship the rifle back. |
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Originally Posted By AggM:
Ok, so I just got off the phone with them. I have a Larue MBT in mine as well. He said he'll be sending me a box to send my entire rifle back in. He also said they'll be installing a Gessiele SSA trigger that's designed to work with the new assembly for free, and they'll send my MBT back in the box with the rifle so I can install it on another M4. His words, exactly. So, now I just wait for my box to show up and ship the rifle back. Not bad, good to hear. |
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Originally Posted By AggM:
Ok, so I just got off the phone with them. I have a Larue MBT in mine as well. He said he'll be sending me a box to send my entire rifle back in. He also said they'll be installing a Gessiele SSA trigger that's designed to work with the new assembly for free, and they'll send my MBT back in the box with the rifle so I can install it on another M4. His words, exactly. So, now I just wait for my box to show up and ship the rifle back. Originally Posted By AggM:
Originally Posted By Knoxp9090:
Wonder how Larues MBT and other premier triggers fall into this? Ok, so I just got off the phone with them. I have a Larue MBT in mine as well. He said he'll be sending me a box to send my entire rifle back in. He also said they'll be installing a Gessiele SSA trigger that's designed to work with the new assembly for free, and they'll send my MBT back in the box with the rifle so I can install it on another M4. His words, exactly. So, now I just wait for my box to show up and ship the rifle back. Very interesting... not sure how I feel about the trigger being a dedicated component, what about liability down the road if the SSA is swapped out. I personally only run MBT triggers now, as I like the consistency across platforms... |
Just got off the phone. Got to send in my rifle as I have a super Tricon installed. They will try and make it work with the new carrier. If not they will replace it with a Geissele trigger that does work and send my old one back. Kind of sucks as I spent money on this trigger just for this rifle as I did for the MPX (told to remove it now). Plus side is I may get a free trigger out of the deal? Now I need to get another rifle for the super tricon
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so I just talked to them. I did put aftermarket trigger in so they are sending return box for entire firearm.
Otherwise, he said it is just a bolt carrier group issue. Not sure what that is all about, but will be parting with my MCX for a while, I guess. Sort of pisses me off. Not sure I will be buying Sigs anymore. |
A good plan violently executed now is better than a perfect plan executed next week.
George S. Patton
George S. Patton
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Just got off phone. They will be replacing my ALG ACT with the Geissele SSA as mentioned above, plus a 50 gift card. They're sending a box with rifle cutouts and a fedex label on it. They'll also return my ALG ACT.
He said that most after market triggers will not work with the new carrier assembly until the trigger manufacturers make one specifically designed for the MCX (if/when). But Geissele has one. He also mentioned that they may be able to get my ALG ACT to work since it is a spin off of Geissele, which would be OK with me because I love the trigger. All in all, good on Sig for stepping up big on this. I waited on hold for 20 minutes but was on the phone with the guy for less than 3 minutes. I really like the redesigned carrier as well, it is eliminating weak points and they're pinning the recoil spring plate so your nutnfancy's of the world don't break their guns due to improper assembly. |
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Originally Posted By army_eod:
so I just talked to them. I did put aftermarket trigger in so they are sending return box for entire firearm. Otherwise, he said it is just a bolt carrier group issue. Not sure what that is all about, but will be parting with my MCX for a while, I guess. Sort of pisses me off. Not sure I will be buying Sigs anymore. It's a new design. They've uncovered and are correcting flaws. I'm happy about that. Each must make their own decisions, of course, but this sort of CS is why I would buy from them in the future..., but I'm still sore about the 556Xi debacle.
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What's with this part of the email; "*Serial numbers 63C000044 – 63C003702 – Contact SIG Customer Service for instructions.". Is there a special issues affecting those serial numbers? Mine falls in that range. The CS persons tone changed a bit when I mentioned this
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Originally Posted By SigJoe:
What's with this part of the email; "*Serial numbers 63C000044 – 63C003702 – Contact SIG Customer Service for instructions.". Is there a special issues affecting those serial numbers? Mine falls in that range. The CS persons tone changed a bit when I mentioned this Did you ask him? Maybe you'll get a whole new rifle? I'm just speculating because mine didn't fall in that range..., you were on the phone with them and didn't ask? |
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Originally Posted By JustinHEMI04:
Did you ask him? Maybe you'll get a whole new rifle? I'm just speculating because mine didn't fall in that range..., you were on the phone with them and didn't ask? Originally Posted By JustinHEMI04:
Originally Posted By SigJoe:
What's with this part of the email; "*Serial numbers 63C000044 – 63C003702 – Contact SIG Customer Service for instructions.". Is there a special issues affecting those serial numbers? Mine falls in that range. The CS persons tone changed a bit when I mentioned this Did you ask him? Maybe you'll get a whole new rifle? I'm just speculating because mine didn't fall in that range..., you were on the phone with them and didn't ask? I'm in that range and nothing was said. But I have an after market trigger so the whole rifle was going back in anyway. |
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Originally Posted By JustinHEMI04:
Did you ask him? Maybe you'll get a whole new rifle? I'm just speculating because mine didn't fall in that range..., you were on the phone with them and didn't ask? Originally Posted By JustinHEMI04:
Originally Posted By SigJoe:
What's with this part of the email; "*Serial numbers 63C000044 – 63C003702 – Contact SIG Customer Service for instructions.". Is there a special issues affecting those serial numbers? Mine falls in that range. The CS persons tone changed a bit when I mentioned this Did you ask him? Maybe you'll get a whole new rifle? I'm just speculating because mine didn't fall in that range..., you were on the phone with them and didn't ask? Sweet Jesus, please no. Mine's been SBR'd, and is my favorite rifle. Also with an MBT in it, Seekins 45deg selector, etc. Does anyone else in that serial number block have the path cut for the auto trip sear in their upper? Pure speculation on my part. Is that on all of them? |
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Originally Posted By SigJoe:
What's with this part of the email; "*Serial numbers 63C000044 – 63C003702 – Contact SIG Customer Service for instructions.". Is there a special issues affecting those serial numbers? Mine falls in that range. The CS persons tone changed a bit when I mentioned this I am gonna guess those are the Self regulating, Cabelas style MCX? |
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Originally Posted By JAG2955:
Nope, not mine. But I do have the M16-style gas rings on the plug. Did that get phased out? Originally Posted By JAG2955:
Originally Posted By cav_scout_tj:
I am gonna guess those are the Self regulating, Cabelas style MCX? Nope, not mine. But I do have the M16-style gas rings on the plug. Did that get phased out? Mine is in that range, it's not self regulating it has a variable selector. The bolt does not have gas rings on it, and I have no clue about if that upper is cut for the auto trip sear. |
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Alright, just got off the phone with them. First the guy said they were Cabelas serial numbers, then I told him that I bought it from a different shop, as new. Then he seemingly got confused and just said I have to send it in due to the trigger. Not sure what that serial number block was for then.
And now I'm wondering about AR15 parts interchangeability with the new carrier, it was nice having the ability to use AR15 bolt and firing pin in an emergency. |
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Well I first found out about this today on here. Then my buddy contacted me. The Firearm Blog put that info out. The carbine on the Firearm Blog is mine. How the hell did they get a photo of my MCX. Anyway, my gun shop just called to tell me also.
Sig is sending the box. I have to ship the whole carbine because I installed an aftermarket trigger. Glad they are fixing it for free. My MCX |
A good plan violently executed now is better than a perfect plan executed next week.
George S. Patton
George S. Patton
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Based off the photos, the nub for the charging handle interface looks much larger.
I'm glad to see that this site at least doesn't have the extreme butt-hurtedness that a lot of others do currently. Sure, I'm pissed off that I have to trust some mouth-breathing moron with an NFA item. But I get a free awesome trigger and $50 to the Sig store, though I don't know what I'll spend it on. But geez, other sites are all "HERMAGERD, how can you clean it if you can't remove the recoil spring??!??? Captured retaining pin? What if I need to replace it??" I'm spitballing here, but I bet that you'll be able to disassemble it. And I haven't yet heard many bitch about the captured retaining pin in the M27 IAR. |
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Originally Posted By SigJoe:
So let's say hypothetically someone's mcx in that serial range has something in it that shouldn't be there does that someone have to send it in? Depends. Are you talking underage sears or optium infused triggers?
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Will not shelter in place
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Originally Posted By crazy1323:
I have an SBR with an aftermarket trigger. This should be interesting. They told me to just include the Form 1 in the package, or they couldn't return it to me. I have the trifecta of also being in the mysterious serial number range. Seriously, when I mentioned the auto-sear channel earlier, I was spitballing. It's just odd to have a range like that and then not tell us why it needs special attention. This rifle is my favorite one right now, too. |
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Originally Posted By JAG2955:
They told me to just include the Form 1 in the package, or they couldn't return it to me. I have the trifecta of also being in the mysterious serial number range. Seriously, when I mentioned the auto-sear channel earlier, I was spitballing. It's just odd to have a range like that and then not tell us why it needs special attention. This rifle is my favorite one right now, too. Do you have a auto sear channel on your upper? Does your bolt look odd? |
| Well I will contact cs in the morning as I didn't hear about it until it was too late to call today. I also have sbr'd it along with aftermarket trigger so sounds like its going to be taking a trip. I was reading on the sig forum that I don't have to notify ATF or fill out a form xx? since its going to be leaving the state for a little while. Can anyone confirm that is correct and no one needs to be notified? |
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