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

This complete upper includes our R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Includes: 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