Hopefully this video is straight to the point and will assist you in getting your rail installed.
Yankee Hill Machine Diamond Free Float Rail Install
How to install Free Floating Rail on M4 & AR15.
How to install Free Float M4 Rail
(HTG) Brian continues our Lego Marvel Avengers FREE PLAY videos with Level 3 Rail Hydra FREE PLAY! Before starting make sure you have completed ...
Lego Marvel Avengers: Lvl 3 / Rail Hydra FREE PLAY (All Collectibles) - HTG