16" M4 Phosphate Barrel
416 Stainless Steel 1 in8" twist rate barrel - Phosphate Available
.223 Wylde Chamber - Best chamber for all 5.56 and .223 rounds
HPT/MPI
M4 Feed ramps
Low Profile Micro Gas Block
Stainless gas tube
Direct Gas Impingement
Mil-spec A2 Flash Hider
Free Float 10 or 12" Slim Quad Rail System
Forged Upper Receiver with Forward Assist, Ejection Door and Shell Deflector
This upper comes completely assembled.
BCG or Charging Handle Sold Separately