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C&H Precision Weapons SIG X-Series Romeo1 Pro Adapter Plate
As Low As $85.99 Save Up to 21%
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SGX-RSH-10-8

by Dave, Verified Owner from FL, United States Written on February 6, 2025
Used this to mount Holosun 507C to Sig P320 M17 with co-witness capability. Some confusion about mounting screws, but customer service responded promptly to e-mailed questions.
Would recommend: Yes
Was it helpful to you? Yes | No

great fit and finish

by jabolfan, Verified Owner from NY, United States Written on February 3, 2024
Perfect fit to be sure the red dot is in tight and snug without spaces
Would recommend: Yes
Was it helpful to you? Yes | No

Exactly what I needed for p320 ca compliant

by Ko, from CA, United States Written on December 7, 2023
Easy installation, and good quality product. I had ordered the wrong one initially but OP made exchanging it for a new one easy. This fits my m18 p320 California compliant model for use with a trijicon RMR. It looks like it fits other foot prints as well.
Pros:
  • EASY INSTALL
Cons:
  • Looses the rear sight
Best Used for:
  • RMR footprint
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.