Below you will find red dot adapter plates that will fit a Sig P320 with Romeo 1 Pro footprint.
*Note: If you have a Sig P320 with a Romeo 1 Pro cut and want an optic that will fit directly to the slide without the need for adapter plates then check out our direct mount Sig P320 Optics here.
*Note: If you are looking for an adapter plate for a non-optics ready Sig P320 then check out our Dovetail Adapter Plates here.
Below are all the adapter plates that will fit an RMR footprint optic onto your Sig P320. Optics with RMR footprints include the Holosun 407C, 507C, 507C ACSS Vulcan, 508T, 507 Comp, Trijicon RMR, Trijicon SRO, and Trijicon RMR HD.
Both of these plates require your slide to have RMR Holes:
- CHPWS RMR Filler Plate (Requires RMR Holes on Slide)
- Calculated Kinetics RMR Filler Plate (Requires RMR Holes on Slide)
These plates don't require RMR holes, but will only fit slides that lose their rear dovetails:
- CHPWS RMR Adapter Plate w/ Dovetail Slots - Aluminum
- CHPWS RMR Adapter Plate w/ Dovetail Slots - Steel
- CHPWS RMR Adapter Plate w/ Dovetails Machined
Below are all the adapter plates that will allow you to fit a "K Series" footprint optic to your Sig P320. This includes the Holosun 407K, 507K, 507K ACSS Vulcan, EPS Full Size, EPS Carry, and SCS Carry.
The following plates will lets you mount a Holosun 407K, 507K, 507K ACSS Vulcan, EPS Full Size, EPS Carry, or SCS Carry:
- CHPWS K Series Plate
- Calculated Kinetics K Series Plate
- Calculated Kinetics EPS Full Size Plate (wider than K Series plate)
The plates below are made specifically for the Holosun EPS, EPS Carry, or SCS Carry, they won't allow you to use the 407K or 507K:
Below are the adapter plates that will let you mount the Holosun 509T or the Holosun 509 ACSS Vulcan to your Sig P320.
The 509T and 509 ACSS Vulcan have different footprints even though they look very similar.
Below are adapter plates that will let you mount the 509T only:
Below are adapter plates that will let you mount the 509 ACSS Vulcan only:
