No need to weld or drill.
Install the front sight on the rib (up to 9 mm) and secure it with the help of the locking screws on the sides of the viewfinder.
Adjustable in height by 13 mm click mechanism. at 17 mm.
ΤΟ ΚΑΤΑΣΤΗΜΑ ΜΑΣ ΘΑ ΕΙΝΑΙ ΚΛΕΙΣΤΟ ΚΑΘΕ ΠΑΡΑΣΚΕΥΗ ΤΟΝ ΟΚΤΩΒΡΙΟ