- $65.00Athena Precision SIG P320 to RMR Steel Red Dot Mounting Plate, BlackAmazon
- $69.95C+H Precision Adapter Plate SIG P320 RX to HOLOSUN 509TAmazon
- $20.99NDZ Performance Slide Cover Back Plate for Sig P320 Series 9mm .40 .357 .45 ACP, Textured Anodized Aluminum with Aspis Cut Design, Made in The USA, Sig P320 Accessories - BlackAmazon
- $35.39DPP Titanium Adapter Plate Compatible with SIG P320 with Romeo 1 Pro Optic Ready Cut and Holosun 407C/507C/508T Trijicon RMR/SROAmazon
- $124.95OLIGHT Baldr Mini 600 Lumens Rechargeable Weaponlight with Green Beam and White LED Combo, Magnetic USB Compact Tactical Flashlight with Adjustable Rail for GL19, GL45, Sig P320, and so on(Black)Amazon