Spacer - Forward extension for Comp™ M4 / M4sfits QRP2 / TNP / LRP mounts
Forward extension spacer for Comp™ M4 / M4s sight models, can also be used with Comp™ M3 / ML3 and PRO™ optics in conjunction with Base and Top Ring, Item No. 12194
Spacer raises height of optical axis from 30 to 39 mm and brings sight 40 mm forwards
