857 Offset adjustable high sight bases
Offset sight-line bases with strong steel base clamps and spacer rod for use with Walther
Graduated steel horizontal rods
4 x spacer & screw sets permit settings for the following height in mm: 12 (as standard), 13.5, 14, 15.5, 16, 17.5, 18, 19.5, 20, 21.5, 22, 23.5, 24, 25.5, 26, 27.5, 28
Weighs only 170grms
