The Griffin Armament Dr. Optic/Meopta/Burris Fastfire/Vortex Viper/Venom LH RTO Plate for SPRM, model SMA-DR-40LH, is a left-hand Rapid Transition Optic (RTO) plate designed for the SPRM system. This plate allows shooters to mount a variety of optics, including Dr. Optic, Meopta, Burris Fastfire, Vortex Viper, and Venom, at a 40-degree angle for quick transitions between primary and secondary optics. As part of the AIS, the RTO plate provides a secure and low-profile mounting solution. Made from high-quality materials and featuring a durable finish, this plate ensures reliable performance in high-stress shooting environments. Griffin Armament Dr. Optic/Meopta/Burris Fastfire/Vortex Viper/Venom LH RTO Plate for SPRM SMA-DR-40LH