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SIG SAUER - MCX Mandatory Carriage Assembly Replacement Program

87K views 472 replies 120 participants last post by  Ranger3 
#1 ·
#79 ·
I did call Sig CS. They told me to register again and I would receive a box to send in the BCG. I stated that I have an aftermarket trigger. They started that I could send in the gun but it would take 8 weeks to get it back. He provided me the option to only send in the BCG and to try it with trigger (ELF) . I opted for that. We'll wee how this goes.
 
#82 ·
My email from them was slightly different. I told them I had a Geissele trigger. But all I need to do is ship them my bolt.

"Ed,

Currently we’re not sure which aftermarket triggers function with this new bolt. You may have to replace your trigger with the original once you have the new bolt. Companies like Geissele are also working with us to make MCX/MPX specific triggers. I’ll send a box your way to have your bolt carrier assembly sent in.

All the best,

Christopher Meyer"

I asked about my MPX..

"The MPX bolt can beat up aftermarket triggers, so companies are working on adapting their triggers to hold up to that abuse. The MCX upgrade uses a firing pin lock, so depending on the hammer profile of these after-market triggers, it may not fire at all."
 
#86 ·
Some more clarification from Sig

"Correct, if you have an aftermarket trigger in your MCX, we’re working with Geissele to build a MCX specific trigger as a replacement. We would ship your old trigger back to you to be installed in a standard AR-15 rifle. We’re expecting inventory from Geissele in late February, so it will add to the turnaround time, but result in a free upgraded trigger."
 
#87 ·
California sucks.....

"Unfortunately, this isn’t the case for California residence since the trigger would have to be installed by us. This would mean you’d have to ship your MCX to us, but since the MCX isn’t on California’s legal roster, we wouldn’t legally be able to ship the gun back."
 
#93 ·
As for the critique that Sig should get out of the firearm business because of setbacks like this,I ONLY HAVE THIS AS A RESPONSE.

They voluntarily brought the recall to bare.With isolated incidence to motivate.Many others would roll the dice and take a wait and see approach.

Like anything else ahead of its time, there will always be refinement.
This is just a learning process, for all of us.
Anyone no longer interested in keeping their Mcx and as long as it is currently in good working order, return it to its original condition at the least ,or really screw yourself and leave your upgrades in tact, I will offer you $800.00 for a working unit in above average condition.$600.00 in good condition,$500.00 in fair condition.
PM me for details and arrangements.All I ask is i get everything you received from SIG.Mags ,iron sights, etc.
Lets see how many feel as they say about dumping they're SIG R&D experiment and having become self proclaimed beta testers.

It took mother nature and the Lord above approximately 30 million years to provide an organism with the means to moan for little reason.If this is the worst that happens to me this year I'm all good.
 
#99 ·
Yeah, same here. I just spoke to CS and they have a very large batch of rifle boxes now 'picked' and awaiting their shipping labels. They expect these to come together in a day or so, and we'll see those late night tracking emails.

Apparently, our critical path remains the 'upgraded' trigger, which is still a work in progress & TBD...

Cheers
 
#98 ·
I re-registered same day, the shipping email came Monday (1/2), and the box arrived yesterday (1/4).

However, the box was just for the bolt carriage assembly, even though I had called since I have a Geissele SSA and need to send the entire rifle back.

I called Customer Service, and they are shipping a box to send the full rifle back. However, when I asked if they were replacing just the hammer, or the full trigger, he said that it was still being worked out. I asked about turnaround time, and was told 8-10 weeks.

I also asked (since I am close by) if I could just bring it to the Sig Pro Shop, and was told that it had to go back to the factory.
 
#101 ·
Greetings gents .. I had the pleasure to talk to Geissele Automatics twice, yesterday and today. We discussed the MCX/MPX issue with the Geissele triggers. In a few words the skinny:
Geissele found out about the recall via one of the forums. They have yet to be contacted by Sig Sauer. They are aware of the situation and are working on a solution. NO new trigger has been either re-engineered or produced. I was told that it would be a while (probably mid year) before a new trigger would be available.
I told both of the Geissele representatives that I purchased a SSA trigger last July but as of today had not had a chance to install it in my MCX. I asked if I could send it back and get it exchanged for a new version once it became available. Long story short version: Sell it or keep it for another AR style rifle.
I personally called Sig on the day of receipt of the wonderful recall notice and since I registered the rifle when purchased they (Sig) would start the process of sending me a box/return label since I have the 556/300 kit.
So far nothing ....
I hope this helps the gents with Geissele triggers


Sent from my iPhone using Tapatalk
 
#102 ·
I have the same 556/300 kit. How do you feel about losing the nickel boron bolts in this swap out? I haven't called Sig to discuss this yet, figured I will give them some time to get their ducks in a row.

Also, why the rush to do this "upgrade"? Mine has been flawless, running it almost 100% suppressed and using a Timney trigger. The problem is related to the 300bo config, kind of ashamed to say I have never used my 300 barrel yet.
 
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#103 ·
Yeah I suppose there is no rush, especially for most of them being 223. They offered to replace the Larue MBT (which I really like) with the Geiselle which is fine with me.

I've been thinking of having some Cerakote done and was going to wait until I get it back from Sig. I actually appreciate what they're doing.
 
#109 ·
Called SIG on December 29 for a RMA box for my bolt carrier assembly. The customer service lady was really nice, I also mentioned during my call that I had an old version of the charging handle. The customer service lady said she would send me a new one at no charge.

I got the shipping box yesterday on January 6. I opened up the box and did didn't see the charging handle the customer service rep. had promised. I was late and SIG's offices were closed so I decided I would call the on Monday.

Today, I received the new charging handle the customer service rep. had promised. Apparently it was shipped separately. Comparing it to my old charging handle, it looks like SIG modified the ambi-latching mechanism. I'm able to charge the weapon with a single hand easier now.

The bolt carrier assembly is packed and will ship out Monday. Has anyone gotten their bolt back from SIG already and what was the lead time? Thanks.
 
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