Used Sig Sauer P320-M18 9mm 3.9 P-320 M-18 +3 MAGS, ORIG CASE, ROMEO OPTICS

Sig Sauer P320-M18 9-mm P-320 M-18 WC GRIPS

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Key Features

  • Item Type: Semi Auto Pistols
  • Action: Striker
  • Manufacturer: Sig Sauer
  • Capacity: 21 1
  • Model: P320-M18
  • Barrel Length: 3.9"
  • Caliber: 9mm Luger
  • Finish: Coyote
  • Overall Condition: Very Good

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Product Description

    Sig Sauer P320-M18 9mm Carry – Coyote PVD, ROMEO1 PRO Installed, Wilson Combat Grip, 3.9 in Barrel, 21+1

    This Sig Sauer P320-M18 stands out with a Wilson Combat P320 grip module, a factory SIG Sauer ROMEO1 PRO red dot installed, and a flat-faced skeletonized trigger. It retains the M18 features buyers look for, including an ambidextrous manual thumb safety, a coyote PVD slide, and an M18-prefix serialized FCU visible through the window. It comes with two 21-round magazines and one 17-round magazine for a 21+1 maximum capacity.

    Condition

    Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.

    Bore Condition: Excellent - Clean, mirror finish, no signs of wear.

    Rifling: Excellent Rifling - Sharp lands and grooves.

    Specific Condition Notes: There is mild wear and a few scratches.

    What’s Included
    • SIG Sauer ROMEO1 PRO red dot sight (installed)
    • SIG Sauer factory hard case
    • Wilson Combat P320 polymer grip module with Starburst texture (installed)
    • 2x 21-round steel magazines with witness holes (bodies stamped "MADE IN ITALY")
    • 1x 17-round steel magazine with witness holes (body stamped "MADE IN ITALY")

    The P320-M18 Carry pairs a 3.9-inch barrel with a striker-fired action and an ambidextrous manual thumb safety. The M18-prefix serialized FCU is visible through the window, confirming its M18 lineage.

    The coyote PVD slide features front and rear cocking serrations and an optic cut for the ROMEO1 PRO/DeltaPoint Pro footprint. The rear sight plate has been removed for the installed optic, while the front sight retains a clear dot insert. The ROMEO1 PRO delivers a 1x aiming solution that is already mounted and ready to use.

    The Wilson Combat P320 grip module adds Starburst texture and a beavertail for a secure, controllable hold. A flat-faced, skeletonized trigger complements the setup with a straight, consistent pull.

    A 4-slot Picatinny/1913 rail on the dust cover supports lights or accessories. This pistol includes two 21-round magazines and one 17-round magazine, with bodies stamped "MADE IN ITALY," enabling a maximum capacity of 21+1.

Specifications

Item TypeSemi Auto Pistols
ManufacturerSig Sauer
ModelP320-M18
Caliber9mm Luger
Overall ConditionVery Good
Bore ConditionExcellent
ActionStriker
Capacity21 1
Barrel Length3.9"
FinishCoyote
Stock/GripsWilson Combat P320 grip module with Starburst texture and beavertail
Sight/Opticfront dot sight; rear sight plate removed for optic
What's IncludedROMEO1 PRO