Used Sig Sauer P320-M18 9mm 3.9" P 320 Optic-Ready +3 MAGS, ORIG CASE, OG GRIP

Sig Sauer P320-M18 9-mm P 320 WILSON COMBAT GRIP

Sig Sauer P320-M18 9mm Luger Coyote in Very Good Condition Thumbnail
Sold On:April 21st at 10:40 PM
How Buying WorksEnding April 21st at 10:40 PM

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

Product Description

    SIG Sauer P320-M18 9mm Carry with Wilson Combat WCP320 Carry Grip, Coyote PVD Slide, 3.9 in Barrel, 21+1 Capacity

    This commercial P320-M18 stands out with a Wilson Combat WCP320 Carry grip module installed, a coyote PVD stainless-steel slide, and the M18-specific ambidextrous manual thumb safety. It includes two 21-round magazines and one 17-round magazine, plus the original SIG Sauer OEM grip module. The case label indicates U.S. manufacture.

    Condition

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

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

    Bore Rifling: Excellent Rifling - Sharp lands and grooves.

    Specific Condition Notes: The pistol shows minor signs of prior use. The chamber is clean, and the rifling is sharp and shiny.

    What’s Included

    • SIG Sauer factory hard case with model/serial label (320CA-9-M18-MS)
    • Wilson Combat WCP320 Carry grip module, manual-safety compatible (installed)
    • SIG Sauer P320 OEM grip module with manual-safety cut (not installed)
    • Magazines: 2x 21-round and 1x 17-round steel-bodied P320 magazines marked "Made in Italy" with a mix of extended and compact basepads

    The P320-M18 configuration delivers a compact 3.9 in barrel and 21+1 capacity, paired with a modular fire control unit architecture. It features ambidextrous slide catch levers and an ambidextrous manual thumb safety consistent with the M18 pattern.

    The coyote PVD stainless-steel slide includes front and rear serrations for confident manipulation. The rear sight is mounted on a removable plate, and the front sight is a dovetailed dot, giving a clean, durable sight setup with straightforward serviceability.

    The installed Wilson Combat WCP320 Carry grip module adds the signature starburst texture and is compatible with the manual safety. The original SIG Sauer OEM grip module with manual-safety cut is included, offering an easy way to revert or change the grip configuration.

    An accessory Picatinny-type rail with four slots on the dust cover supports common weaponlight or accessory mounting. The case label confirms U.S. manufacture, aligning with the M18 commercial offering.

    Magazines include two 21-round steel-bodied units and one 17-round, all marked "Made in Italy," providing a ready-to-run set with both extended and compact basepads.

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 starburst texture
Sight/Opticdovetailed front dot; rear sight on removable plate
What's IncludedOEM Case, Wilson Combat Module, OEM module.
Country of OriginUnited States

Explore Other Auctions