Aero Precision M4E1 5.56 Rifle 18 Barrel Complete Upper Receiver

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In addition the Aero Precision M4E1 Rifle Complete Upper Receiver comes with an Gen 2 Enhanced Handguard. On a lower receiver the contour of the handguard is enhanced with milling chamfers and a layered look. On an upper receiver the contour of the barrel is enhanced with milling as well. While you're waiting pick up an Aero Precision M4E1 Rifle Complete Upper Receiver w/ Enhanced Handguard today and outfit your rifle with one of the best handguards on the market. Specifications for Aero Precision M4E1 AR-15 18in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider: Manufacturer: Aero Precision Cartridge: 5.56x45mm NATO Barrel Length: 18 in Barrel Profile: SPR Gas System Length: Rifle Length Barrel Twist Rate: 1-7 Threads per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Gun Model: M16 AR-15 Fabric/Material: 7075-T6 Aluminum 7075 T6 Aluminum Attachment Type: Picatinny Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Gun Type: Rifle Gun Make: Aero Precision AR Platform Included Accessories: Standard Barrel Material: 4150 Chrome Moly Vanadium Gas Block Journal Size-Length: .750 in Bolt Carrier Group Included: No Charging Handle Included: No Weight: 68.5 oz Magazine Included: No Mount Type: Picatinny Features of Aero Precision M4E1 AR-15 18in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider: Forged from 7075 T6 aluminum; Precision machined to M4E1 specs; M4 feedramps; Matte black hard coat anodized Mil 8625 Type 3 Class 2; Laser engraved T-marks (Anodized only); Comes assembled with port door and forward assist installed; Accepts standard AR15/M16 components; Handguard mounting platform is forged into the receiver; Works with Aero Precision handguards but also fits most BAR-system handguards; Features of Enhanced Handguard: 1pc free float design; Rail is Machined from 6061-T6 Aluminum; Built in Anti-Rotation tabs; Scalloped rails; Continuous top rail; 1.78" inside diameter fits most muzzle devices and 1.5" suppressors; Compatible with low profile gas blocks; Quick disconnect sling socket at the 3 6 and 9 o'clock positions; Additional milling along flats to aid with gripping and add visual appeal; New profile for the continuous picatinny top rail Features of 5.56 Rifle Length Barrel: 4150 CrMoV w/ QPQ finish; 1/7 twist; .750 gas block journal; Rifle length gas system; M4 Feed Ramp Extension; HP and MPI tested; Standard A2 flash hider Package Contents: Aero Precision M4E1 AR-15 18in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider Enhanced Handguard 5.56 Rifle Length CMV Barrel Low Profile Gas Block and Rifle Length Gas Tube Barrel Nut Wrench Aero Precision APAR640251M8: M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black