Product DescriptionSIG SAUER
•Short-Stroke piston system w/Auto-regulating gas valve
•Fully closed & locked rotating bolt system
•Easily change barrel length, handguard & stock config.
•Ambidextrous AR controls •7.6# AR-style trigger
•Monolithic flat-top upper receiver combines w/aluminum KeyMod™ handguard for continuous M1913 top rail
•Rear charging handle does not interfere w/rail-mounted accessories
•Free-floating hammer-forged barrel w/pinned & welded muzzle device
•Flip-up front & rear sights
•Flared & beveled magwell
•3-Position collapsible stock
•Includes Lancer polymer mag w/steel insert
•OAL: 33"; 24.5"(collapsed)
•Wt.: 6.1 lbs.
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Submitted By: Michael E. On 06/01/2016
Sig MPXC May 2016
I've had mine about 3 weeks now, the order process was easy, painless and secure. Brett, my sales rep helped with some important details about the product, magazines, pricing and assisted in arranging shipment to fit my schedule. The firearm arrived at my FFL holder right on time. Sig, not so generously provided just 1 magazine, and no carrying case, but there was a very nice sling, a couple 2 inch rails sections to mount to the keymod rail and 1 picatiny mount QD attachment point. Counting that one, there's 4 QD mounting points, one under the adjustable stock mounting point, one on either side of the end of the stock near the rubber recoil pad and the aforementioned rail-mount one. There's also robust looking sling loop near the location of the first QD mount mentioned earlier. The first trip to the firearm operated flawlessly and it's superior build quality was obvious from the first time I picked it up. It's my first Sig Sauer, they are pricey but in this case I understand why. Some reviews complain about the trigger, yes it's a little stiff, but appropriate for this type of system. I don't feel a 3 or 4 pound trigger would be an improvement. The travel and reset reflect the price. Being left-handed I liked the full-ambi features, they are just a little different from side to side but that's ok. Some reviews complained about the muzzle device tuning fork effect, apparently Sig corrected that, no problem there. The muzzle device looks different than those I saw in the review videos. It's not a 3 prong but exactly like the picture. It's welded in place, maybe the only flaw in fit and finish, a quarter inch mark, looks like a spot weld possibly. My first visit to the range working from 30 yards required adjustment to the front sight post, (using an AR style adjustment tool) I think it was sighted in for greater distances. It consistently shot 1 inch groups at that distance. Later I added a Primary Arms mini red dot mounted to a American Defense QD mount and co-witness was perfect. Back to the range and again (near)flawless operation and good accuracy. I did have a couple FTE's issues with some of my reloads, but they had conservative charges using propellant I'm not a huge fan of. Other hotter loads worked fine. Next range visit was to see if it was capable of longer shots. Using the red dot and then the iron sights it was able to achieve 100 yard groups of 4 to 5 inches. A more accomplished shooter should be able to beat that. Several fellow shooters were very impressed with that performance. I was eventually able to hit a 6 steel plate consistently and a 4 inch more often than not at that same distance. My friend brought his Kel-tek sub 2000 (also a 9mm) and he never did get it on paper at that range. He's a much better shot than me. Back to the cleaning bench, the booklet with instructions was a little underwhelming, but we've got other resources available. Remove two pins and that's it. Pretty much as you'd expect if you've ever field stripped an AR. Interestingly, removing the pivot pin also releases the hand-guard. It's completely free floating. Speaking of that, it has a very small amount of play that moves the front sight a little, which of course would effect accuracy especially at longer ranges (maybe nitpicking). This exposes the 2 torx screws that hold the barrel on, looks like a pretty simple process to change that up. There's a gas regulator, I wasn't ready to tackle that yet, need better instructions. I've never fired a gun that wasn't fun to shoot, so I'm not going that route, If you're looking for a 9mm carbine you have a few choices and they are all probably just fine but they are not a Sig MPXC. Would I buy it again? YES, Recommend it to a friend? YES...........OK, OK, it's fun to shoot!
[5 of 5 Stars]