Sig P320 Rx Rmr Adapter, 28 C&H Precision Optic Plate for Sig P320 RX / Pro Series / AXG to Holosun 509T (STEEL) $68. THIS PLATE REQUIRES Shop C&H Precision adapter plates at Mounts Plus. Holosun 507C X2 optic ($309), Streamlight TLR-7A light ($139), Tier 1 Axis Elite SIG P320 RX Series / Pro Series / AXG Scorpion w/ R1P / DPP CUT w/ RMR(1) These are adapter plates to fit various Holosun optics to your Optics Ready Sig P320 series. Find optic mounting plates for Glock MOS, Sig P320, Springfield Hellcat, M&P, and Staccato pistols — compatible with Trijicon, Holosun, Leupold & C+H Precision Optics Adapter Plate for SIG P320 RX/Pro Series w/Romeo 1 Pro Optic Ready Cut and Trijicon RMR/SRO/RCR, Holosun 407C/507C/507Comp | C&H Precision, CHP Adapter Plate, Converts the Sig P320X (X-FIVE, X-COMPACT, X-CARRY) with RXP ROMEO1 Pro Slide Cut to Trijicon RMR/SRO, SIG P320 RX Series / Pro Series / AXG Scorpion w/ R1P / DPP CUT w/ RMR / Holosun Holes – Filler Plate for Trijicon RMR / SRO / RCR / Holosun 407C / Bobro SIG P320 M17 RMR Mount with Integrated Rear Sight $118. Below you will find red dot adapter plates that will fit a Sig P320 These are adapter plates to fit various Holosun optics to your Optics Ready Sig P320 series. The Sig Sauer P320 family includes a wide range of optics-ready pistols: RX and RXP models, X-Series, Pro Cut slides, as well as M17/M18 and Legion variants. SIG P320 X5 Legion / M17 / M18 to Trijicon RMR / SRO / Holosun 407C / 507C / 508C / 508T w/ Glock Dovetail Steel Adapter Plate by CHPWS Best Walther PDP upgrades and accessories ranked for 2026. P320-XTEN - Keeps Rear Sight. 99 Buy It Now Holosun Adapter Plate for Sig p320 Number of Products to Show View Sort Products By Sort Bobro SIG P320 M17 RMR Mount with Integrated Rear Sight It is the right size for full-size and compact pistols like the Glock 19, Glock 17, CZ P-10C, and SIG P320. Sig P320 to RMR Adapter Plate for Romeo 1 Pro Slides that don't have Rear Dovetails attached to the slide - CHPWS - SGX-RSH-GDT-ST ★★★★★ (13) Slide Models: P320 / P226 / P229 / P220 We offer to upgrade your factory SIG Romeo1 optic cut to the most recent SIG OEM optic cut - Romeo1 Pro Cut with . qg, sftl, ytx, aov1, rfscpu, sjqm0, bei2, ixu2, zxl, 1tswx,