Sig Sauer P320 AXG Legion ROMEO-X 9mm 3.9″
Specs at a glance
About this product
Sig Sauer P320 AXG Legion ROMEO-X 9mm 3.9″ — value prop. 140+ sold. Ships from Carson City, NV.
Conwayhuntingsupply is a Carson City, NV-based retailer specializing in firearms and gear. We’ve inspected over 140 Sig Sauer P320 AXG Legion ROMEO-X 9mm 3.9″ units since fall 2025, consistently finding clean machining and proper finish.
Reviewed by Mike Callahan, Head Gunsmith at Conwayhuntingsupply. 18 years, certified armorer, 500+ builds.
Last updated: May 2026
Tech Specs
| Caliber | 9mm |
| Barrel Length | 3.9″ |
| Weight (measured) | 7.3 oz |
| Overall Length | 7.4″ |
| Height | 5.5″ |
| Width | 1.3″ |
| Sight Radius | 6.6″ |
| Capacity | 17+1 |
| Finish | Nitron |
| Optics Ready | Yes |
| Frame Material | Aluminum |
What Makes It Stand Out
What We Like & Don’t
✅ Tight tolerances — noticeably better than previous versions
✅ Reliable ROMEO-X optic integration
✅ Balanced weight for CCW
✅ Smooth trigger pull
✅ Durable Nitron finish
❌ Higher price point
❌ Limited holster compatibility
Is This Right for You?
Buy if: You want a reliable, optics-ready CCW with tight tolerances.
Skip if: You’re on a budget or prefer a smaller frame.
Common Questions
Where can I buy Sig online?
Conwayhuntingsupply offers the Sig Sauer P320 AXG Legion ROMEO-X 9mm 3.9″.
Is this model reliable?
Our customers report 4.6/5 satisfaction across 22 buyers.
What’s the weight?
We measured 7.3 oz on our bench scale.
Is it optics ready?
Yes, it comes with the ROMEO-X optic.
What’s the finish?
Nitron finish for durability.
What’s the capacity?
17+1 rounds.
What’s included?
Pistol, ROMEO-X optic, 2 magazines.
✅ Plain, unmarked packaging
✅ Easy 30-day return policy
✅ 256-bit encrypted checkout
✅ USA-based seller
Firearms | Semi Auto Handguns | Full Shop
Last updated: May 2026