SIG Sauer Optic Compatibility
SIG's optic-ready pistols — the P320, P365, and more — use the ROMEO1Pro and DeltaPoint/direct-mount footprints for a carry red dot. Pick your SIG below to see which optics drop in and how they mount.
22 firearms
Buyer's guides
- SIG MCX-SPEAR LT5.56 NATO / .223 RemOptics-ReadySpecial Ops: Lioness
- SIG Sauer M400 TREAD5.56 NATO / .223 RemOptics-Ready
- SIG Sauer M400 Tread Predator5.56 NATO / .223 RemOptics-Ready
- SIG Sauer M400 Tread V25.56 NATO / .223 RemOptics-Ready
- SIG Sauer MCX Rattler5.56 NATO / .223 Rem, 300 BlackoutOptics-ReadyNobody
- SIG Sauer MCX-SPEAR6.5 Creedmoor, .308 WinchesterOptics-Ready
- SIG Sauer MPX Carbine9mm LugerOptics-ReadyScreen & Games
- SIG Sauer P211-GTO9mm LugerOptics-Ready
- SIG Sauer P220.45 ACPOn Screen
- SIG Sauer P226 Legion RX9mm LugerOptics-ReadyOn Screen
- SIG Sauer P229 Legion9mm LugerOptics-Ready
- SIG Sauer P320 X-Five Legion9mm LugerOptics-Ready
- SIG Sauer P320 XCarry.357 SIG, 9mm Luger, .40 S&WOptics-Ready
- SIG Sauer P320-M179mm LugerOptics-Ready
- SIG Sauer P320-XTEN10mm AutoOptics-Ready
- SIG Sauer P3659mm LugerOptics-Ready
- SIG Sauer P365 Fuse9mm LugerOptics-Ready
- SIG Sauer P365 X-Macro Comp9mm LugerOptics-Ready
- SIG Sauer P365 XMACRO9mm LugerOptics-Ready
- SIG Sauer P365-380.380 ACPOptics-Ready
- SIG Sauer P365-380 ROMEOZero Elite.380 ACPOptics-Ready
- SIG Sauer P365XL9mm LugerOptics-Ready