Sig Sauer M18X Handgun 9mm Luger 21rd Magazines (3) 3.9″ Barrel Coyote with RomeoM17
$1,429.99
The Sig Sauer M18X is a 9mm Luger handgun designed for peak performance and reliability, now enhanced with advanced XSeries features and a factory-mounted ROMEO-M17 red dot optic. With a 3.9″ barrel and a 21-round magazine capacity, this firearm is ideal for tactical applications and personal defense.
10 in stock
The Next Generation of M18 is here delivering all the performance and reliability that made the M18 the choice of the U.S. Military now outfitted with the most advanced XSeries features. The M18X each include a factory mounted ROMEO-M17 red dot optic featuring a ruggedized aluminum housing aspheric glass lens for zero distortion and is fully enclosed and sealed for ultimate protection from the elements.This pistol also features an XSeries coyote tan grip module with extended beavertail aggressive grip stippling and deeper undercuts for greater control. The Xseries grip module is also fitted with a magwell extension for faster and more accurate reloads. The XSeries flat blade trigger provides an increased tactile response for greater accuracy.
- ROMEOM17 Red Dot Sight installed on the slide
- Coyote X-Carry grip module with magwell
- Flat X-Series trigger
- (3) 21rd magazines
| Weight | 3.900 lbs |
|---|---|
| Dimensions | 13.500 × 9.500 × 3.000 in |
| Manufacturer | Sig Sauer |
| Caliber | 9mm Luger |
| Action | Semi-Automatic |
| Barrel Length | 3.9 |
| Capacity | 21 |
| Finish | Coyote |
| Frame Material | Aluminum |
| Sight Type | Red Dot |
| Stock | X-Carry grip module |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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