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The Lancer Systems X-Cinch is a purpose-built magazine coupler for the SIG MPX, and it does one job really well: it pairs two factory MPX mags into a single unit so your reload is always right there. Instead of digging through a pouch mid-string, you rock one mag out and slap the next one home. It's a simple upgrade that pays off at the range, in competition, or any time you want to keep your round count high without carrying extra gear.
The whole thing is molded from reinforced nylon, so it's tough but light. At roughly 1.6 ounces it adds almost nothing to the balance of your gun. The clamp uses locking ribs that mate with the texture on the MPX magazine body, which keeps the two mags aligned and snug rather than wiggling loose after a few reloads. The open design also leaves the witness holes visible, so you can still glance down and check how many rounds you've got left.
Installation is genuinely quick. The coupler splits into a front clamp and a rear clamp joined by a captive thumbscrew, meaning the screw stays put in the rear piece so you're not hunting for it on the ground. You lay a magazine into each side, line up the grooves with the ribs, make sure the arrow points toward the feed lips, then snug down the thumbscrew by hand. No tools, no gunsmithing.
This one is dialed in for factory SIG Sauer MPX 9mm magazines and works with the 10, 20, and 30-round versions. Unlike some couplers that force you to stagger the mags, the MPX mags sit at the same height, which makes for a clean, symmetrical setup. It's made in the USA, which is what you'd expect from Lancer's reputation for solid mag gear.
It's built for factory SIG Sauer MPX 9mm magazines and works with the 10, 20, and 30-round versions. The locking ribs are shaped to mate with the molded texture on genuine MPX mag bodies, so it's designed around factory magazines rather than aftermarket ones. The MPX mags don't need to be staggered and can be installed at the same height.
No tools required. The X-Cinch uses a single thumbscrew that you tighten by hand, and the screw stays captive in the rear clamp so you won't lose it during setup. Just seat a mag on each side, line up the grooves with the ribs, make sure the arrow faces the feed lips, and snug it down.
No, the open design keeps the witness holes visible so you can still check your remaining rounds at a glance. That's one of the nicer touches of this coupler compared to bulkier clamp styles that cover the mag body.
Very little. The reinforced nylon construction keeps it around 1.6 ounces, so it doesn't throw off the balance of the gun even with two mags coupled together. You get the speed and capacity benefit without a noticeable weight penalty.
| UPC | 738435619244 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MPX-CINCH |
| Color | Black |
| Length | 9.5000 |
| Model |
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