SIG Sauer P320 AXG Legion 9mm Full-Size Striker-Fired Pistol – 21+1 Capacity, All-Metal Frame, X-Ray3 Sights
The P320 AXG Legion is the first Legion-series P320 built on SIG’s all-metal AXG grip module. Its 7075-T6 aluminum frame, two-port slide-integrated expansion chamber, and 21-round magazines give this full-size 9mm notable shootability and capacity in a factory-tuned, duty-ready package.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent – Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling – Sharp lands and grooves.
Specific Condition Notes: Minor superficial scratches and small blemishes are present on the Legion gray Cerakote finish; they are cosmetic only and do not affect operation.
What’s Included
- SIG Sauer gray hard case
- 6 × 21-round steel SIG Sauer magazines with orange followers
- Kydex OWB holster
- Coyote-tan polymer P320 grip module (spare)
- SIG Sauer P320 owner’s manual
The AXG Legion pairs a precision-machined 7075-T6 aluminum frame with an extended beavertail and removable alloy magazine well funnel, giving shooters a controllable, competition-grade grip that still accepts modular P320 fire control units.
Its Legion gray Cerakote slide features front and rear cocking serrations plus a built-in two-port expansion chamber that redirects gas upward, reducing perceived recoil by roughly 30 percent while keeping the overall profile holster-friendly.
A flat, skeletonized trigger breaks at approximately 4 lb, while ambidextrous slide-catch levers and a reversible magazine release accommodate either hand without aftermarket parts.
X-Ray3 day/night sights combine a bright green-dot front post with a serrated black tritium rear notch for fast target acquisition in any lighting. An integral three-slot MIL-STD-1913 rail supports lights or lasers.
Engineered and assembled in the USA, this full-size Legion ships with six 21-round magazines, a spare polymer grip module, and a Kydex OWB holster—providing an out-of-the-box system ready for duty, competition, or defensive carry.