Sig Sauer P320 M18 Price Guide
This page brings together current GunSpot inventory and historical marketplace data for the Sig Sauer P320 M18. Prices vary by condition, configuration, provenance, and included accessories.
Active listings2
Active auctions0
Historical sample3
Average asking price$676
Observed range$647–$700
How to read this price guide
These figures summarize historical GunSpot asking prices, not guaranteed completed-sale values or formal appraisals. Compare condition and configuration before estimating market value.
