7 1/2″ Barrel M4 Feed Ramp Nitride 1×7 (Does no Include Stripped Lower Receiver)
Upper Are 7075 T-6 Aluminum
This pistol kit contains all Made In America components to complete YOUR 5.56 pistol. The pistol Kit (Does not include Magazine or Sights).

Chamber - 5.56 Nato
Barrel Twist - 1×7
Barrel Thread - 1/2×28
Barrel Steel - M4 Chrome Moly / Nitride Processed
Flash Hider - A2 Flash Hider
Handguard - 7" Free Float Aluminum Keymod Rail
Gas Block -.750 Low Profile gas block, pistol Gas Tube with Pin
Upper Receiver - M4 Flat-top Upper with Feed Ramps
Bolt Carrier Group - Mil-spec AR-15 Bolt/Carrier assembly
Charging Handle - Included
Lower Parts Kit - Mil-spec Lower Parts Kit
Stock - US Made Pistol buffer Tube w/ buffer and spring