Used Sig Sauer P320 AXG Legion COMP 9mm OR 3.9" P-320 +4 MAGS & ORIG CASE

Sig Sauer P320 AXG Legion 9-mm Optics-Ready P-320

How Buying WorksEnding October 24, 2026 at 9:45 PM

Key Features

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

More on FirearmLand

Product Description

    SIG Sauer P320 AXG Legion 9mm, 3.9 in Barrel, Legion Gray Cerakote, XRAY3 Sights, Optics-Ready, 21+1 with Four 21-Round Magazines

    The P320 AXG Legion pairs the P320s striker-fired system with a durable aluminum AXG grip module in Legion Gray Cerakote and a full-size-length slide over a compact 3.9 in barrel. This model features an optics-cut slide with cover plate, XRAY3 Day/Night tritium sights, and a removable flared magwell. It ships with four 21-round extended magazines for a 21+1 capacity as configured.

    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.

    Bore Rifling: Excellent Rifling - Sharp lands and grooves.

    Specific Condition Notes: Minor, superficial scratches and blemishes are present on exterior surfaces.

    What’s Included
    • SIG Sauer factory hard case
    • Four 21-round extended steel double-stack magazines (made in Italy)

    The AXG Legion uses an aluminum grip module finished in Legion Gray Cerakote and G10 panels with Legion chevron texturing. The removable flared magwell speeds reloads and can be configured to suit user preference.

    The slide is Legion Gray Cerakote with forward and rear serrations, an optics cut with cover plate, and two top ports with an integrated expansion chamber. It houses a 3.9 in barrel within a full-size-length slide profile.

    SIG XRAY3 Day/Night tritium sights provide a bright green-ring front and a tritium rear. A three-slot Picatinny rail on the dust cover supports common weapon lights or accessories.

    Controls include a flat, skeletonized trigger, ambidextrous slide-catch levers, and a left-side magazine release. Markings include SIG SAUER P320 and 9mm x 19. This pistol is manufactured in Newington, New Hampshire, USA.

    Capacity is 21+1 with the included factory extended magazines. The package includes four 21-round magazines for ample range time or duty rotation.

Specifications

Item TypeSemi Auto Pistols
ManufacturerSig Sauer
ModelP320
SubmodelAXG Legion
Caliber9mm Luger
Overall ConditionVery Good
Bore ConditionExcellent
ActionStriker-Fired
Capacity21 1
Barrel Length3.9"
FinishLegion Gray
Stock/GripsG10 grip panels with Legion chevron texturing
Sight/OpticSIG XRAY3 Day/Night tritium 3-dot
What's IncludedOriginal case
Country of OriginUnited States