Luke The Stampler shows his custom DMR L129A1 airsoft rifle that uses the Daves Custom L129A1 Modification Kit. This kit allows for easy modification of G&G, Classic Army and  A&K SR-25 AEGs into a British L129A1 DMR. This is comprised of the Aluminium Rail, Steel Barrel Nut, mounting bolts and Steel 14mm CCW flash hider, rail covers, stock, AEG pistol Grip, Bi-pod and Iron Sights... "Here’s a short video on my L129A1 SSW sharpshooter airsoft dmr build, including daves custom airsoft l129 rail kit."