Easy, One-Finger Operation
Push the giant, oversize button’s checkered face with the right-hand trigger finger or the extra large, paddle shaped, off-side thumb lever with the left hand. No permanent alterations to lower receiver.
AR-15, Issue:11, Page:035
Big Book Catalog, Issue:72, Page:044
SPECS: Steel, blue, matte finish. Right Side Button - .625" (15.8mm) diameter. Left Side Lever - .750" (19mm) x .625".