I haven't seen many Posts regarding Forum members and their MPX pistols. Is anyone still shooting and enjoying their MPX? I've had my Gen 2 for about 10 years, and only made some minor modifications because it's such a nice "pistol" right out of the box. During the pistol brace fiasco I took advantage of not having to pay the $200 tax, registered it as an SBR, and installed a folding 6 position stock. It carries very nicely in my Bug Out Bag.



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Bought 10 mine years ago as a MPX Carbine with a 16” barrel (actually ~13” barrel with a long pinned FH) and the SiG collapsing stock. Early Gen 2, but over the years I’ve added Gen 3 parts to update it to an ersatz PCC carbine. Upgraded first to the Geissele trigger and then finally to the Timney trigger, and the newer bolt carrier with the black buffer. Swapped out the collapsable stock for a Minimalist Plus. Did the Form 1 last year, and added an 8” ILWT barrel with a MI 6.5” handguard. It works OK, but I never really got into it and think the MPX is overrated, personally. A bit gassy as a suppressor host, unless you use a low backpressure suppressor. I enjoy newer PCCs like the Kuna, Stribog, CMMG, and others, a lot more.

Still have my Gen 1, form 1 and added the collapsing stock which stopped working and Sig replaced with a new one. Should have gotten the Minimalist folding but at the time they were so popular and the accessories were hard to find.

Did get 10 of the 30 round mags on sale so that's a plus, makes for a good evening of loading them up for the range.

What didn't you like about the Geissele that facilitated the change to Timney trigger. I remember early on there were people wanting to drop in AR triggers but a lot of issues came up on those not really working well with the faster cycling bolt or some such....

Honestly, I can’t remember why I swapped out the trigger.