Jan 28, 2025 · My first addition to my new MPX (other than a few magazines) is a brace. I am torn between the MPX PSB from SB Tactical and the Sig-branded folding brace. So far, my reading …

Aug 6, 2017 · Long story short: It's less expensive and less risky to buy an MPX carbine that comes with factory support and warranty. If BAFTE were to bring charges, the legal defense …

Oct 9, 2017 · Proud owner of MPX PSB here... Love the firearm, but the big clunky folding brace not so much. I noticed a "K" model is out now with what looks like a sliding brace. Anyone out …

May 21, 2021 · Will the SB Tactical MPX PSB for the MPX & MCX work on an MCX Upper mated to an AR15 Lower? I remember seeing a comment somewhere about the factory collapsible …

Nov 19, 2021 · Just got a MPX pistol and need to get a brace for it. I really like collapsible braces like the SB Tactical PSB more than the folding but hear that they are not that comfortable to …

Feb 25, 2016 · I went to the range yesterday and was able to successfully put another 200 rounds through the MPX without any failure to battery and/or failure to eject. They were all 115gr Sig …

Aug 30, 2017 · MPX PSB to Carbine Question Sig sells various length barrels and hand guards for the MPX. If you have an MPX PSB 8 inch, the change barrels to the 16 inch version and …

Jan 19, 2017 · The Sig website a couple weeks ago (like 2) had the MPX Pistol (Gen2) with an MSRP of $1500, that has since jumped to $1852. The same goes for the MPX-PSB, etc, etc. …

Feb 20, 2016 · I am a long time lurker. I recently acquired a Gen 2 MPX pistol with the PSB and a MCX pistol with 2 barrels (9" 5.56 and 300BO) with the PSB. I am waiting on Form 1s to come …

Oct 11, 2016 · The MPX with the standard SBX brace is too short, you'll need to pin/weld something on the muzzle to give you the length. The way I measured mine, is from the end of …