Aero Precision M4E1-E Complete Upper, 16" 5.56 Mid Barrel, Quantum 15" M-LOK HG - Anodized Black

This Complete Upper includes our Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories.Includes:M4E1 Enhanced Assembled Upper ReceiverEnhanced Handguard of choice16" 5.56 CMV BarrelLow Profile Gas Block and Mid-Length Gas TubeProduct comes assembledThis complete upper does not include BCG or Charging Handle.M4E1 Upper Features:Forged from 7075 T6 aluminumPrecision machined to M4E1 specsM4 feedrampsMatte black hard coat anodized Mil 8625 Type 3 Class 2Laser engraved T-marksComes assembled, with port door and forward assist installedAccepts standard AR15/M16 componentsHandguard mounting platform is forged into the receiverWorks with Aero Precision handguards but also fits most BAR-system handguardsBarrel wrench is includedQuantum Handguard Features:1pc free float designRemovable 4-slot picatinny rail section for front sightBuilt in anti-rotation tabs7 mounting surfaces for KeyMod accessories1.78" inside diameter fits most muzzle devices and 1.5" suppressorsCompatible with low profile gas blocks16" 5.56 Mid-Length Barrel Features:5.56 NATO 16" Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled.750 gas block journalMid-length gas system, .0785 gas portM4 Feed Ramp ExtensionHP and MPI testedStandard A2 flash hiderSpecifications:Made In AMERICA: YesPlatform: AR-15Series: M4E1Caliber: 5.56 NATOBarrel Length: 16"Weight: 55.84Other: No