Buying options ↓
Find your model
Choose a model for compatibility details and member reports.
5 model listings
- SIG SAUER P320-XCARRYManufacturer documentedRequires a THREADED BARREL in 1/2-28. Most of these pistols do not ship with one — check your barrel before buying. Compatibility (read 2026-09-21): "Full size P320's, P320 XCompact, P320 Compact, P320 XCarry with 1/2-28 threaded barrels." Built to sit flush on a Flux Defense Raider chassis; that is an aftermarket chassis, not the factory P320-FLUX cards. XFULL is the optic-cut full size. Not compatible with Bar-Sto, KKM, or EFK. Legion is a spring caveat, not a named host.
- SIG SAUER P320-XCOMPACTManufacturer documentedRequires a THREADED BARREL in 1/2-28. Most of these pistols do not ship with one — check your barrel before buying. Compatibility (read 2026-09-21): "Full size P320's, P320 XCompact, P320 Compact, P320 XCarry with 1/2-28 threaded barrels." Built to sit flush on a Flux Defense Raider chassis; that is an aftermarket chassis, not the factory P320-FLUX cards. XFULL is the optic-cut full size. Not compatible with Bar-Sto, KKM, or EFK. Legion is a spring caveat, not a named host.
- SIG SAUER P320 COMPACTManufacturer documentedRequires a THREADED BARREL in 1/2-28. Most of these pistols do not ship with one — check your barrel before buying. Compatibility (read 2026-09-21): "Full size P320's, P320 XCompact, P320 Compact, P320 XCarry with 1/2-28 threaded barrels." Built to sit flush on a Flux Defense Raider chassis; that is an aftermarket chassis, not the factory P320-FLUX cards. XFULL is the optic-cut full size. Not compatible with Bar-Sto, KKM, or EFK. Legion is a spring caveat, not a named host.
- SIG SAUER P320-XFULLManufacturer documentedRequires a THREADED BARREL in 1/2-28. Most of these pistols do not ship with one — check your barrel before buying. Compatibility (read 2026-09-21): "Full size P320's, P320 XCompact, P320 Compact, P320 XCarry with 1/2-28 threaded barrels." Built to sit flush on a Flux Defense Raider chassis; that is an aftermarket chassis, not the factory P320-FLUX cards. XFULL is the optic-cut full size. Not compatible with Bar-Sto, KKM, or EFK. Legion is a spring caveat, not a named host.
- SIG SAUER P320 FULL-SIZEManufacturer documentedRequires a THREADED BARREL in 1/2-28. Most of these pistols do not ship with one — check your barrel before buying. Compatibility (read 2026-09-21): "Full size P320's, P320 XCompact, P320 Compact, P320 XCarry with 1/2-28 threaded barrels." Built to sit flush on a Flux Defense Raider chassis; that is an aftermarket chassis, not the factory P320-FLUX cards. XFULL is the optic-cut full size. Not compatible with Bar-Sto, KKM, or EFK. Legion is a spring caveat, not a named host.
Check your exact model and part before ordering. Fitment limits