This is the special edition Aero Precision M16A4. It is semi auto with all the M16 features. It is in like new condition, I bought this new and only put 30 rounds through it and has been in my safe since. No shipping to CA. I accept a postal money order.

• Upper: Standard M4 Upper Receiver

• Barrel: 20" 5.56 NATO, Rifle Length, 1:7 Twist, 4150 Chrome Moly Vanadium, QPQ corrosion resistant finish

• Sights: A2 Detachable Carry Handle and A2 Front Sight Block w/ Bayonet Lug

• Handguard: A2 Style Handguard, Rifle Length

• Gas System: Rifle Length Gas System

• Bolt Carrier Group: M16 Cut, 8620 Steel, Phosphate Finish, Properly Staked, Carpenter 158 Bolt, HP and MPI Tested

• Muzzle Device: Standard A2 Flash Hider

  LOWER FEATURES

• Lower: Special Edition M16A4 Lower Receiver with custom engraving

• Lower Parts Kit: Standard AR15 Lower Parts Kit

• Buffer Kit: Standard AR15 Rifle Buffer Kit

• Stock: Standard A2 Stock

• Grip: Standard A2 Grip