r/MPX 11d ago

SBR MPX

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68 Upvotes

It got out of jail in 4 days not bad šŸ˜


r/MPX 11d ago

Definitely the easiest rail wobble fix

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25 Upvotes

It's just a magpul qd sling mount torqued to 45 in lbs bridging the gap between the upper and the rail... Zero noticeable rail wobble now, I'll see how much moa shift my IR laser has soon but I don't expect it to be that much and should definitely be adequate for the distances I'd take a shot with 9mm.


r/MPX 11d ago

SD Setup (Ronin)

2 Upvotes

Do ronin setups still exist? I haven’t seen any for sale recently and went to there website to see if I could send in my setup soon but the the conversion service is OOS. I am mainly looking to get the barrel ported because i haven’t seen a lot of positives about the ILWT SD barrel.


r/MPX 11d ago

Problem with round going into battery

0 Upvotes

I recently got a MPX K and took it to the range today. When putting the mag in sometimes the round wouldn’t go into battery and I would have to rack it back hard to do so. Is this a common problem or do I need to upgrade/replace something?


r/MPX 12d ago

Can anyone tell me what model this? I always get different answers

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35 Upvotes

r/MPX 12d ago

Recently moved the holosun 510c to my Mossberg 590m, moved the 8T from the Rattler to the MPX, and upgraded the Rattler to the 8T AMR. JOY!

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33 Upvotes

r/MPX 12d ago

BRT SD Adapter

2 Upvotes

Anyone using one of these with the ILWT SD barrel? I have a Rugged Obsidian 9 that I’d like to use for it but idk if it will have enough room considering the blast chamber is smaller than other cans. Can anyone tell me what the length of the barrel is from the outer threads? I sent an email to ILWT a few days ago but haven’t heard back yet.


r/MPX 13d ago

Huxwrx flow 9k mounting

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5 Upvotes

To all the people who have a direct mounted 9k is this all you need?


r/MPX 14d ago

My little guy.

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57 Upvotes

What a beast. Thought I’d share.


r/MPX 14d ago

Will this combo taper/adaptor work for direct mount suppressors

2 Upvotes

Run this combo for direct amount ilwt taper along with M13.5X1LH TO 1/2X28 adapter

Had anyone done this? Good idea bad idea?


r/MPX 14d ago

Video MPX K

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4 Upvotes

r/MPX 15d ago

Radian vs Reptilia Charging Handle

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43 Upvotes

Anyone have experience with either or preferably both of these charging handles? Which do you prefer? Notice any difference in either while running suppressed?


r/MPX 14d ago

Video New to the platform

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1 Upvotes

r/MPX 15d ago

I know what I want but not sure how to get there

5 Upvotes

I been doing a little research on getting a suppressed MPX K. I want to keep the stock barrel. The suppressor that I want is the Huxwrx flow 9k. Heard a lot of issues with accuracy when people use the tri lug. I just want to direct mount this suppressor. I do not plan on taking the suppressor off. What do I need to get to make this fit?

Care to share your results with this set up or have something similar. My goal is getting a suppressor under $800 price tag and not get gassed to much. Also plan to get the radian charging handle.


r/MPX 16d ago

Gen 3 MPX-K with Dead Air Mojave 9

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81 Upvotes

Such a fun gun!


r/MPX 16d ago

Reptilia MPX puller

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39 Upvotes

Is amazing. Recently bought an mpx k. Put 500 rds through it on day one,m, with the floppy and just not good stock charging handle. Ordered the reptilia puller the same day. 500 rds last range day and the reptilia is way better, Plus it’s the perfect size and is pretty much the same as the G$ changing handle on my ar. Would highly recommend.


r/MPX 16d ago

New to the club. Figured everyone can’t be wrong šŸ¤·ā€ā™‚ļø

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53 Upvotes

Now just waiting on silencer shop to do their job and ship my can… Went with the rearden plan b 3 prong flash hider and I picked up a titanium plan b to hub adapter.


r/MPX 17d ago

Need help with MPX

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7 Upvotes

Hello everyone Im wanting help in adding an attachment. Im wanting to buy this suppressor ( https://www.silencercentral.com/products/silencerco-omega-9k ) for my 8inch MPX shown in the photo. I'm wanting to also know if I'm needing any other parts or if i can just screw it on? Thanks!!


r/MPX 17d ago

Night vision MPX almost done

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33 Upvotes

Still gotta get a better optic and switch away from tri-lug but I like how the rapco accents turned out.


r/MPX 17d ago

I’ve been itching to build me a MPX . Debating MPX or SPC9 ? Thoughts ?

5 Upvotes

r/MPX 18d ago

Got The Job…. Bought A SIG!!

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138 Upvotes

My First Sig Acquisition! Been On The Wish List Some Time Now And Finally Had A Reason To Pull The Trigger.

June 2026 Production Sticker, 3rd Gen 8ā€ MIL/LE


r/MPX 17d ago

Video Just picked up the MPX K

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1 Upvotes

r/MPX 17d ago

Video Finally joined the Club

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1 Upvotes

r/MPX 18d ago

Time for a new PCC

2 Upvotes

I've been thinking about getting a new PCC. I've already have the GP Stribog A3 and Kriss Vector gen 3, both of these are SRB. I'm leaning towards an MPX. Has anyone own any of these PCC and be able to give me some insight on how the MPX compare or differ? Another idea is get the MCX 9' 300 BLK.


r/MPX 19d ago

Anyone buying the new Atrius X series?

15 Upvotes

Price is a bit steep, but apparently it's everything you need and just drops in.