THE GREEN BERET LIFE – Matt’s 13.7” barrel AR15 5.56 upper build – full video – step by step

THEGREENBERETLIFE – Enjoy this step by step instruction about building Matt’s ideal carbine. Matt goes through his 13.7 inch barrel 5.56 AR15 rifle, upper build. In this video he discusses putting together all the parts (forged upper that is stripped, upper parts kit that includes the forward assist and dust cover, barrel, handguard, adjustable gas block from velocity and gas tube, suns of liberty NOX muzzle device and using a dimpling jig to secure the gas block. Making sure to time the muzzle device so it is set up for a right handed shooter. Due to it being a 13.7 inch barrel we have to pin and weld the muzzle device to keep it legal.