Moving the SIG Sauer ROMEO-X SIG-LOC Pro between pistols
Page last updated . Data compiled September 2026 by the site administrator.
You already own it. Here is what changes from one slide to the next: the plate, the screw thread at each joint, the torque, the tools and any thread trap. 1 kinds of slide, covering 1 pistols, grouped by how the optic mounts and then alphabetically. Nothing is ranked. The SIG Sauer ROMEO-X SIG-LOC Pro page has its specs and the per-pair answers.
Mounts straight to the slide
SIG-LOC PRO slide — P320
Direct Verify Direct mount
Slide: SIG Sauer P320 Full-Size / Carry (SIG-LOC PRO slide)
- Optic → slide
- Screws from beneath the slideSupplied with the optic.
- Optic torque
- per SIG manual
- Tools
- Torque wrench, Driver bits, Calipers, Degreaser, Witness-mark paint or lacquer
- To mount
- $450–650approximate street prices, September 2026
Steps and safety: installing a red dot, from the makers' manuals. Mounting an optic is gunsmithing; confirm the pistol is unloaded first. Screw length is never listed here because it depends on the whole stack: each pair's build sheet has a calculator that works from your own caliper readings.