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6/14/2015 9:19:59 PM EDT
Is sig actually planning on releasing the mpx K?
6/14/2015 10:26:00 PM EDT
[#1]
I will wait for the K model as well.
6/14/2015 10:47:42 PM EDT
[#2]
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I will wait for buy the K model as well in addition to the current model.
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There, FIFY.
6/15/2015 12:46:37 PM EDT
[#3]
I'm buying both as well . Is there any news on the K ? I have not heard or seen anything
6/15/2015 12:52:33 PM EDT
[#4]
I keep telling myself I don't need an MPX but its not working.
6/15/2015 1:10:56 PM EDT
[#5]
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I'm buying both as well . Is there any news on the K ? I have not heard or seen anything
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Last time I asked it was later in the year Late Q3/Q4. That was several months ago though fwiw.
6/18/2015 12:07:53 AM EDT
[#6]
Yup, waiting on the  k model.
6/18/2015 9:17:03 AM EDT
[#7]
Is the K model not "select fire"  and thus LE only?
6/18/2015 9:50:01 AM EDT
[#8]
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Is the K model not "select fire"  and thus LE only?
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K is referring to the 4.5 inch barrel version.

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6/18/2015 12:22:19 PM EDT
[#9]
Two weeks
6/18/2015 5:04:07 PM EDT
[#10]
I made my own K model.
6/19/2015 1:00:00 AM EDT
[#11]
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Two weeks
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And this was confirmed by sig?
6/19/2015 2:00:43 AM EDT
[#12]
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And this was confirmed by sig?
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Two weeks

And this was confirmed by sig?

I didn't know AAC was marketing it.
6/19/2015 12:02:38 PM EDT
[#13]
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Two weeks
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Is this something that SIG has put out? Or are you making a GD style comment where someone is asking a serious question about a time line?
6/21/2015 1:33:59 AM EDT
[#14]
This , ditto
6/24/2015 11:17:17 PM EDT
[#15]
It seems to me the MPX-P + 4.5in barrel and suppressor is the way to go.
6/25/2015 1:27:04 AM EDT
[#16]
Yea if they ever release it...
6/25/2015 1:30:03 AM EDT
[#17]
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I made my own K model.
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You cut your barrel down???
6/25/2015 1:43:12 AM EDT
[#18]
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I keep telling myself I don't need an MPX but its not working.
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6/25/2015 2:31:44 PM EDT
[#19]
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You cut your barrel down???
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I made my own K model.

You cut your barrel down???

Class 3 Machining.
6/25/2015 3:00:59 PM EDT
[#20]
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Class 3 Machining.
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I made my own K model.

You cut your barrel down???

Class 3 Machining.

And it functions well?? I always wondered how easy it would be to chop it and keep it reliable. It might change my timeframe if cutting is all you need.


Someone needs to post pics of this thing RIGHT MEOW!!!
6/25/2015 6:33:45 PM EDT
[#21]
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And it functions well?? I always wondered how easy it would be to chop it and keep it reliable. It might change my timeframe if cutting is all you need.


Someone needs to post pics of this thing RIGHT MEOW!!!
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Quoted:
Quoted:
Quoted:
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I made my own K model.

You cut your barrel down???

Class 3 Machining.

And it functions well?? I always wondered how easy it would be to chop it and keep it reliable. It might change my timeframe if cutting is all you need.


Someone needs to post pics of this thing RIGHT MEOW!!!




6/25/2015 7:50:54 PM EDT
[#22]
Awesome! How far inside the hand guard is the barrel?
6/25/2015 7:56:44 PM EDT
[#23]
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Awesome! How far inside the hand guard is the barrel?
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Took it down to 4.5" just like the -K spec. I guess maybe 3.5" without busting out a tape measure.
6/25/2015 7:59:30 PM EDT
[#24]
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Took it down to 4.5" just like the -K spec. I guess maybe 3.5" without busting out a tape measure.
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Awesome! How far inside the hand guard is the barrel?


Took it down to 4.5" just like the -K spec. I guess maybe 3.5" without busting out a tape measure.

That's awesome. Exactly what I want to end up with except a sbr
6/25/2015 9:56:31 PM EDT
[#25]
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Took it down to 4.5" just like the -K spec. I guess maybe 3.5" without busting out a tape measure.
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Quoted:
Quoted:
Awesome! How far inside the hand guard is the barrel?


Took it down to 4.5" just like the -K spec. I guess maybe 3.5" without busting out a tape measure.


Is that a tirant 9 or 9s? That looks awesome!
6/25/2015 10:25:46 PM EDT
[#26]
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Is that a tirant 9 or 9s? That looks awesome!
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Quoted:
Quoted:
Quoted:
Awesome! How far inside the hand guard is the barrel?


Took it down to 4.5" just like the -K spec. I guess maybe 3.5" without busting out a tape measure.


Is that a tirant 9 or 9s? That looks awesome!


9s
6/27/2015 10:57:22 PM EDT
[#27]
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Quoted:
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I made my own K model.

You cut your barrel down???

Class 3 Machining.

And it functions well?? I always wondered how easy it would be to chop it and keep it reliable. It might change my timeframe if cutting is all you need.


Someone needs to post pics of this thing RIGHT MEOW!!!


http://www.ar15.com/media/viewFile.html?i=76752&prev=1


Oh goodness I think I just got a mysterious bulge in my pants..
7/6/2015 11:05:47 AM EDT
[#28]
This is relevant to my interests. I'm in no hurry but this will be my next purchase.
7/12/2015 10:52:19 AM EDT
[#29]
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I keep telling myself I don't need an MPX but its not working.
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we're paddling upstream in the same boat..don't waste energy...just go with the flow, and get one!!!!
7/12/2015 11:10:11 AM EDT
[#30]
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we're paddling upstream in the same boat..don't waste energy...just go with the flow, and get one!!!!
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I keep telling myself I don't need an MPX but its not working.


we're paddling upstream in the same boat..don't waste energy...just go with the flow, and get one!!!!


Take hit, just one, you won't get addicted. Come on, all the cool kids are doing it.
7/12/2015 11:11:53 AM EDT
[#31]
If you are interested in K model and don't want to wait, look HERE. I am not affiliated with the seller, just came across it.
7/29/2015 9:40:07 AM EDT
[#32]
Per LDD over on Sigforum, the MPX-K is supposed to be released 2015Q4 with the gen2 upper.

See my post at the bottom of page 16:
https://www.ar15.com/forums/t_6_45/443495_MPX_now_SHIPPING.html&page=16
8/2/2015 7:35:05 AM EDT
[#33]
What's the gen II upper supposed to have that's better?
8/2/2015 9:48:02 AM EDT
[#34]
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What's the gen II upper supposed to have that's better?
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Compatible with .40S&W and .357Sig conversion kits.
8/2/2015 12:31:41 PM EDT
[#35]
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Compatible with .40S&W and .357Sig conversion kits.
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What's the gen II upper supposed to have that's better?


Compatible with .40S&W and .357Sig conversion kits.


Hopefully also a fix for the charging handle issue.
8/2/2015 3:30:29 PM EDT
[#36]
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Hopefully also a fix for the charging handle issue.
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Quoted:
Quoted:
What's the gen II upper supposed to have that's better?


Compatible with .40S&W and .357Sig conversion kits.


Hopefully also a fix for the charging handle issue.

What's the charging handle issue
8/2/2015 5:10:15 PM EDT
[#37]
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What's the charging handle issue
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Quoted:
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What's the gen II upper supposed to have that's better?


Compatible with .40S&W and .357Sig conversion kits.


Hopefully also a fix for the charging handle issue.

What's the charging handle issue


I presume he's referring to the receiver wear caused by releasing the charging handle and it coming into contact with the lower. It could potentially be fixed with a raised area on the buffer spring retention piece.
8/2/2015 8:01:19 PM EDT
[#38]
Yes that is what I was talking about. The slop in the charging handle is causing some very serious wear and damage to the lower and upper receiver. There are numerous posts already on it.
8/2/2015 9:03:58 PM EDT
[#39]
Hopefully the charging handle fix............that is why I haven't gotten one yet

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What's the gen II upper supposed to have that's better?
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8/3/2015 7:21:33 AM EDT
[#40]
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Yes that is what I was talking about. The slop in the charging handle is causing some very serious wear and damage to the lower and upper receiver. There are numerous posts already on it.
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All it should take is the addition of a shelf that sits in the changing handle channel off of the buffer spring/rod retention piece(Not sure what the technical term Sig uses for it). That would prevent the handle from sagging and shouldn't interfere with taking apart the gun. It would also be simple to retrofit to existing Gen 1s.
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