Sig Sauer M18X 9mm Luger 3.9 inch 21 Coyote Finish Optic Ready Stainless Slide

SKU SGM18X-9-RX
UPC 798681684205
MPN M18X9RX

Drawing on the proven M18/M17 military lineage, the Sig Sauer M18X 9mm features a 3.90" barrel, 21+1 capacity, coyote PVD serrated stainless slide, and pre-installed ROMEO-M17 red dot for duty and everyday carry.

Caliber9mmCapacity21 rdBarrel3.9"ActionStriker Fired

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$1,429.99You save $122.61

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Sig Sauer M18X 9mm Luger 3.9 inch 21 Coyote Finish Optic Ready Stainless Slide

$1,429.99

$1,552.608% OFF

$1,429.99You save $122.61

Buy now, pay later with Sezzle

In StockFFL Transfer Required

Ships to your local FFL dealer

Federal law requires firearms ship to a licensed dealer near you — pick yours at checkout and finish a quick background check at pickup.

Trusted Since 2013
A+ BBB Accredited
35,000+ Reviews
Secure Checkout

Sig Sauer M18X 9mm Luger 3.9 inch 21 Coyote Finish Optic Ready Stainless Slide

$1,429.99

About the Sig Sauer M18X 9mm

The Sig Sauer M18X9RX brings the proven M18/M17 military lineage into a modern XSeries carry pistol built for everyday carry, duty use, and range work, combining a 9mm Luger striker-fired action, 3.90" black barrel and 21+1 capacity with an optic-ready, serrated stainless steel slide pre-installed with a ROMEO-M17 red dot for fast target acquisition and minimal sight picture disruption. The coyote PVD optic-ready frame and coyote polymer X-Carry grip module feature an extended beavertail, aggressive stippling, deeper undercuts and a magwell extension to improve control and speed during dynamic shooting and defensive reloads, while the flat X-Series trigger delivers a crisp tactile break for repeatable accuracy. With Siglight front and rear sight configuration, no manual safety, and a sealed ROMEO-M17 featuring rugged aluminum housing and aspheric glass for clear, distortion-free aiming in adverse conditions, the M18X is tailored to concealed carriers who demand reliability, to patrol officers who need a battle-proven platform, and to range shooters who prioritize rapid sight transitions; transfers require an FFL for purchase.