No regrets - Brownells Retro 4X 4x21mm Rifle Scope w/ Carry Handle, 35mm Tube, First Focal Plane

USMC Vietnam veteran, 1965,1966 ,1967 two years eight months 2/4. I used The original USGI issue scope on my M 16 a lifesaver deadly accurate 600 yd.³ always on target can’t miss,
This scope is excellent quality ,excellent craftsmanship , focus excellent. Most of all it can take a beating and keep on ticking. I thank you for your craftsmanship. Semper. Fi