Aero Precision AR15 16" 5.56 Mid-Length Complete Upper 15" M-LOK R-ONE Handguard - OD Green Anodized, APSL100733

• AR15 Assembled Upper Receiver
• 16" 5.56 CMV Barrel
• Low Profile Gas Block and Mid-Length Gas Tube
• Product comes as assembled
• This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab

AR15 UPPER RECEIVER FEATURES:

• M4 Feedramps
• .250 takedown pin hole
• Laser engraved T-marks
• Includes port door and forward assist

R-ONE FEATURES:

• Full top picatinny rail for optional attachments
• Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
• Compatible with low profile gas blocks
• 1.3" Inside diameter
• 1.5" Outside diameter
• Compatible with mil-spec AR15 upper receivers and barrels
• NOT Compatible with M4E1 Enhanced Upper Receivers

16" 5.56 GOV BARREL FEATURES:

• 16" 5.56 Mid length, 1:7 Twist, 4150, QPQ
• .750 gas block journal
• Mid-length gas system
• M4 Feed Ramp Extension
• HP and MPI tested
• Standard A2 Flash Hider