Used CMMG Mod 4 556 Nato AR 15 M4 Carbine

This is a great option for anyone wanting to get into AR's. CMMG is one of the best companies out there producing parts and complete firearms. The Mod 4 comes set up in a standard carbine/M4 platform. You will get a 16" M4 profile barrel with A-Post front sight, flattop receiver, flip up rear sight, adjustable stock, 30 round magazine, and forward verticle grip.