Gehmann Compact Precision Target Rear Sight The most economical precision rearsight in the world! Manufactured to Gehmann quality but sold at a most affordable price Very short base with strong double base clamps and stainless steel clamp screws suitable for all types of rifles Precision machined from solid aluminium Short mounting rail allows for maximum sight movement in use with all lengths of iris attachments Long thread tunnel enables use of all irises and anti-glare tubes Large elevation and windage knobs for easy adjustment even in the cold Attractive but hard wearing matt black finish Bullet shift: 1.5mm per click at 50 metres 0.3mm per click at 10 metres