SIG’s M18X with ROMEO-M17: 3.9″ carbon-steel barrel, coyote PVD stainless slide with factory-mounted enclosed ROMEO-M17 (SIG-LOC MHS footprint), SIGLITE front/rear irons, coyote X-Carry grip module with magwell, X flat-blade trigger and M1913 rail. SIG lists about 7.2″ OAL, about 1.6″ width, about 6.3″ height and about 30.8 oz with magazine. Ships with three 21-round steel magazines. Manufacturer part number: M18X-9-RX.
Key features
- 9mm; 21+1; three 21-rd steel magazines
- 3.9″ barrel; ~7.2″ OAL; ~30.8 oz w/ mag (SIG)
- Includes ROMEO-M17 enclosed red dot
- SIGLITE front/rear; X flat trigger
- Coyote X-Carry grip with magwell
- Carry-length M18 slide
Buying from PM Customs in Yukon
PM Customs is a licensed FFL in Yukon, OK, serving the Oklahoma City metro. Choose local pickup by appointment (generally Mon–Sat, 8 AM–4 PM), or have your M18X shipped to your local FFL. You pick at checkout. Questions? Call 405-265-8955.








