The Command Post SRL LE puts the SRL lever on a diet, so yeah, it's noticably lighter. And if you have a one-by drivetrain, this lever gives you the option to control your Command Post from where the front shifter would "normally" mount to the bars.
Command Post lever for the modern one-by drivetrain systems. Injection molded lever is light, durable, and features a textured design for added grip. High quality bushing design provides smooth lever action. Ideal pull ratio for easy lever activation. Requires additional mounting hardware (Command post SRL clamp, SRAM matchmaker, or equivalent).