MEC Extension Tube II HR Max

Alloy barrel tube extension with integral foresight tunnel functions.

Extension tube for air rifle competitors.

Includes Block Max.

Front globe sight is vertically adjustable from 18mm to 27mm in 1mm increments.

Incorporates all of TUBE and TUBE II features:

Foresight tunnel is moveable in a T-nut system.

No optical distortion.

A quality sight picture.

Complete with two moveable tube weights.