Today we are finishing up building our AR-15 Upper Receiver. We will walk through the installation of our hand guard, muzzle device, back up sights, charging handle and bolt carrier group. Those components in order are: SLR Rifleworks Solo Ultra Light 15″ Rail, Surefire ProComp, Magpul MBUS, Bravo Company Gunfighter Charging Handle and a DSG Arms Nickel Boron Enhanced Bolt Carrier Group.
If you missed Part 1, you can find it Here.
