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4,413 Posts
They are a direct swap. Keymod was only available on Gen2 and beyond. I installed a Sig MLOK on my older G2 that was a Keymod style, no problems.
MPX aftermarket parts list
Info
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10 Posts
Thanks guys!
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888 Posts
Great list. Thanks for the information. I have a ILWT 8” barrel. Excellent quality and great customer service. ILWT barrel just as accurate as Sig factory barrel.
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26 Posts
Just found the NLA one at Ranierarms. Only 2 left in stock so better hurry! Was hoping for a radian but they were on back order everywhere.Thanks. Unfortunately charging handle are completely out of stock in any brand (except SIG of course) . If anyone can spare a Radian or otherwise, It'd be appreciated
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293 Posts
I appreciated reading through this list when I bought my MPX so wanted to add a couple items that I've purchased and can recommend as good aftermarket accessories:
www.midwestgunworks.com
www.cheaperthandirt.com
The LongShot M-Lok Picatinny accessory rails fit perfectly on the Lancer 6.5", 8", 10", 14", and 16" MPX carbon fiber handguards and are great if you want to add accessories to the top rail or don't care for the way Lancer's handguards look without the full length Picatinny rail extension.
Lancer Systems Sig MPX Magazine Cinch
Check out the deal on Lancer Systems Sig MPX Magazine Cinch at MGW
LongShot 3.80" M-LOK Accessory Rail for Lancer 8.5" Handguard for the Sig Sauer MPX | Cheaper Than Dirt
Shop LongShot 3.80" M-LOK Accessory Rail for Lancer 8.5" Handguard for the Sig Sauer MPX and more from Cheaper Than Dirt!
www.cheaperthandirt.com
The LongShot M-Lok Picatinny accessory rails fit perfectly on the Lancer 6.5", 8", 10", 14", and 16" MPX carbon fiber handguards and are great if you want to add accessories to the top rail or don't care for the way Lancer's handguards look without the full length Picatinny rail extension.
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293 Posts
Here are a few more aftermarket items I'm using with my MPX:
Red dot sight:
www.eurooptic.com
RDS mount:
scalarworks.com
Back-up iron sights:
Red dot sight:
Trijicon 1x25 MRO HD 68 MOA Reticle w/ 2.0 MOA Dot No Mount MRO-C-2200050
FREE SHIPPING on Trijicon 1x25 MRO HD 68 MOA Reticle w/ 2.0 MOA Dot No Mount MRO-C-2200050
RDS mount:
Scalarworks Leap Mount for the Trijicon MRO
The lightest quick-detach Trijicon MRO mount in existence; Recoil proof, low profile, and maintenance free. Compatible with the Trijicon MRO red dot sight.
scalarworks.com
Back-up iron sights:
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293 Posts
Here are some tactical light and mount options for the MPX:
www.clouddefensive.com
www.unitytactical.com
arisakadefense.com
The Arisaka mount above will work on both the SIG MCX and MPX.
LCS For Surefire® - Cloud Defensive
The Light Control System (LCS) is very versatile. As such, there are a lot of possible configurations. We do not sell Surefire brand lights. But we offer our Light Control System (LCS) for them. And we sell the Surefire ST_07 remote switch along with the Surefire UE-07 remote switch/tail-cap...
www.clouddefensive.com
Hot Button - MLOK - Unity Tactical
Hot Button is a revolutionary control device for weapon-mounted electronic accessories. It provides a 45 degree angle button interface for a more natural press angle at any position around a weapon hand guard. The up-angled button also provides an easier tactile reference point for the button...
www.unitytactical.com
Side Scout Mount™ MCX
The Patent Pending Arisaka Side Scout Mount MCX is designed specifically for the Surefire Scout Light M600 and M300 series weapon lights, the Modlite PLH and OKW weapon lights, the Arisaka 300 and 600 Series Lights, the Streamlight Protac Rail Mount 1, 2 and HL-X (non-laser), and Olight Odin. It...
arisakadefense.com
The Arisaka mount above will work on both the SIG MCX and MPX.
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4,413 Posts
Thanks for posting but most of what you posted are generic and applicable to many different guns. This posting is specific to MPX only parts. For instance the MCX mount above will work on any Mlok mount system. I would suggest that you consider posting a separate thread regarding how you dressed out your MPX. I’m sure others would like to see it.
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4,413 Posts
Added some new Drum magazines to the list on Page 1
promagindustries.com
promagindustries.com
Sig Sauer® Sig MPX 9mm (50) Rd - Black Polymer Drum
We have a huge selection of after market firearm stocks, magazines and accessories all made in our facility in Arizona.
promagindustries.com
Sig Sauer® Sig MPX 9mm (30) Rd - Black Polymer Drum
We have a huge selection of after market firearm stocks, magazines and accessories all made in our facility in Arizona.
promagindustries.com
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293 Posts
Thril is now selling their Gen 2 MPX 35-round magazines for $39.99. I missed out on the Gen 1 mags when they were being sold but might pick up a few of the Gen 2 models for range use.
shop.thril.com
Gen 2 SM9 MPX 35 Round Magazine
The 9mm X 35 Round Generation II SM9 MPX Mag for the Sig Sauer MPX by THRiL, brings durability and reliability.
shop.thril.com
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293 Posts
I can't imagine ProMag is selling too many of the 30-round MPX drum magazines since standard OEM SIG mags hold 30 rounds. Maybe the 50-round drum magazine for kicks and grins at the range, but the 30-round drum for over twice the price of an OEM MPX magazine makes no sense whatsoever.Added some new Drum magazines to the list on Page 1
Sig Sauer® Sig MPX 9mm (50) Rd - Black Polymer Drum
We have a huge selection of after market firearm stocks, magazines and accessories all made in our facility in Arizona.Sig Sauer® Sig MPX 9mm (30) Rd - Black Polymer Drum
We have a huge selection of after market firearm stocks, magazines and accessories all made in our facility in Arizona.
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500 Posts
Interesting. I didn't know they were coming out with a Gen2 already. I guess that's why they haven't been available since the pre-orders shipped.Thril is now selling their Gen 2 MPX 35-round magazines for $39.99. I missed out on the Gen 1 mags when they were being sold but might pick up a few of the Gen 2 models for range use.
Gen 2 SM9 MPX 35 Round Magazine
The 9mm X 35 Round Generation II SM9 MPX Mag for the Sig Sauer MPX by THRiL, brings durability and reliability.
I had 4 pre-ordered and was sent 8 following the delays. I haven't had a single malfunction with any of them yet, so I wonder if others had issues.
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293 Posts
Lantac is taking pre-orders for their Dragon Dead Air Wolfman MPX Muzzle Brake. This will allow MPX owners to use a DA Wolfman suppressor without requiring additional thread adapters or tri-lug devices. This is a good option since it's hard to find muzzle devices that correspond with SIG's MPX 13.5 x 1 LH thread pattern. I have a Wolfman waiting to be approved and was hoping DA would come out with a KeyMicro brake specifically for the MPX but this one looks like it will work.
www.lantac-usa.com
Dragon® Dead Air® KEYMO™ Wolfman™ Muzzle Brake MPX | lantac-usa
THIS ITEM IS BACKORDEREDEstimated Ship Date From Time of Order: 2 - 4 weeks LANTAC Dragon® Muzzle Brake DGN9MMC-WM™ Manufactured to the highest quality standards and featuring a patented design, the LANTAC DGN9MMC-WM™ Muzzle Brake offers improved recoil management and muzzle rise over...
www.lantac-usa.com
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5 Posts
I have a Copperhead K lower with a MPX K upper. The lower has the rings for the PDW stock to slide in and from what I have heard, most if any PDW stocks made for the MPX will not fit in to these rings? I have the original PDW brace itself but I am missing the little "ejector" button / spring parts. Anyone have ANY idea where I can get that?
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10 Posts
Is there any recommended flash cans that work well the MPX?
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4,413 Posts
I found 4 links out of 24 on manufactures websites that were no longer linking to the product. But to use the term “most”, now you are exaggerating. Post number 1 is now updated.
I do what I can, but I can’t control when a manufacture changes their website or product line.
Sorry, I can’t help you with out of stock items. Try writing to the manufactures of the items you want and let them know there is demand. That’s what I do.
Perhaps you could send a friendly PM to me if you find a link not working and I can fix it.
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962 Posts
No blame, many links are dead these days, covid destroying small business.
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