Jan 6, 2025 · Hello again all, its been a while since I was last on but from my searching, it doesn’t seem like much has been discussed on use of MCX’s and FRT’s (Forced Reset Triggers). I …

Feb 4, 2025 · Hello, New here and new to Sig in general—just bought my first one, the MCX Rattler SBR in 5.56. It’s also my first SBR. The barrel doesn’t come threaded and I didn’t see …

Nov 28, 2017 · IMO, legacy MCX is a great deal right now, because SIG is moving on to this new version. It's like getting a screaming deal or last year's model when GM, Ford or Ram's new …

Dec 31, 2015 · No, we're on SIG's pre-order wait list for a MCX 300blk caliber conversion kit for the MCX 556/223 16" rifle we got last December. Looks like they have our rifle in stock here: …

Dec 31, 2018 · Couple years ago with my 1st MCX, I called SIG customer service with basically the same question. I pointed out their confusing MCX manual's gas valve instructions. The CS …

Oct 14, 2024 · Hey everyone! I’m in the market for an optic for my Sig MCX Spear 7.62 x 39, and I could use your input. I’m considering a few options: 1. SIG SAUER TANGO6T 1-6x24mm Rifle …

Feb 14, 2019 · Yeah, MCX Virtus has a tapered barrel extension that won't fit Geissele nor Brownell's reaction rods. No problem, if your MCX is a legacy rifle with mil-spec barrel …

Jan 1, 2023 · A forum community dedicated to SIG Sauer Pistols and SIG Sauer Rifles owners and enthusiasts. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, …

Sep 24, 2017 · I have a new MCX Rattler that came with the normal MCX owners manual. Below is excerpt regarding recommended settings for the 2-position gas valve: I'm trying to interpret …

Oct 25, 2016 · Hi All, I am new to the SIG MCX and to AR15-type guns in general. I want to acquire some magazines beyond what came with my 5.56 MCX. Are any AR15-type …