A Crimson dot, 1x6 LPVO or basic 3x9 scope is all you would like to the Mini-fourteen although I feel it's at home with iron sights (and if you are gonna principally use iron sights, the Techsights m200 rear sight upgrade is essential) Modular Chassis: Some makers give modular chassis https://psilocybinchocolateuk40772.gynoblog.com/31278179/not-known-details-about-ebr-chassis-m1a