S&W Sigma SW9 SW40 Pistols ONLY Burris JT Defense Riton Tasco Vortex 4-Post Optics Red Dot Adapter Mounting Plate Item #: OPPOM21 Fits Models: Burris Fastfire, Riton MPRD2, Tasco Optima, Vortex Venom & JT Defense Style Optics with 4-Holes Finish: Matte Blue Anodized Aluminum Installation: No Gunsmithing to Firearm Required Condition: Brand New Hardware: Screws Included Manufacture Tasco Additional Details ------------------------------ Product description: S&W Sigma SW9 SW40 Pistols ONLY Burris JT Defense Riton Tasco Vortex 4-Post Optics Red Dot Adapter Mounting Plate Item #: OPPOM21 Fits Models: Burris Fastfire, Riton MPRD2, Tasco Optima, Vortex Venom & JT Defense Style Optics with 4-Holes Finish: Matte Blue Anodized Aluminum Installation: No Gunsmithing to Firearm Required Condition: Brand New Hardware: Screws Included Manufacture Tasco