Colt 4 x 20 Scope (Fixed 4x / 20mm) with Integrated Rail Mount (QD Lever)
This Colt 4 x 20 scope is a compact, fixed-power optic with a 20mm objective and an integrated rail mount/base with quick-detach (QD) lever (Picatinny/Weaver-style clamp). The scope body is marked "Colt 4 X 20" and "Made in Japan".
Adjustments include a BDC-style range drum marked "RANGE YARDS X100" and capped controls, with a quick-release lever visible on the mount for rapid installation/removal.