G&G M-LOK Rail Panel Covers (4 pieces) - Tan valken For use with any M4

For use with any M4 style AEG airsoft gun

The spring guide features hardened steel ball bearings at it's base that allows the spring to rotate more freely inside the gearbox

Please note we found it's not compatible with 13:1 gear sets

which is very small

but will safely protect your expensive scope or red dot sight

G&G M-LOK Rail Panel Covers (4 pieces) - Tan valken For use with any M4The G&G M LOK Rail Panel Covers (4 pieces) Tan. Fits directly onto M Lok rail systems for that custom look and functionality on airsoft guns. Soft polymer construction. Pretty small panels, enough to cover one single M Lok slot (a little over an inch or so). Made by G&G in Taiwan.