Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid Pencil Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black

Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid Pencil Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized BlackProtect your hands and rails from your muzzle with this Aero Precision M4E1 Threaded 5.56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by Aero Precision feature an advanced handguard attachment system that is incredibly secure, yet easy to remove. Then, this Aero Precision M4E1 Threaded 5.56 Mid Length Barrel Complete Upper Receiver provides a front and rear Picatinny rail for weapon accessories like laser sights, lights and other attachments. This Aero Precision M4E1 Threaded Complete Upper Receiver w/ ATLAS S-ONE Handguard also has a .250 takedown pin hole for added portability, and there is an integrated port door for enhanced cooling. Pick up the complete Aero Precision M4E1 Threaded Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver to get a rugged and lightweight gun barrel for your project.Specifications:Cartridge: 5.56x45mm NATOBarrel Length: 16 inBarrel Profile: PencilGas System Length: Mid LengthGas Block Journal Size-Diameter: .750 inBarrel Twist Rate: 1-7Gun Rail: M-LOKThreads per Inch: 1/2x28Muzzle Device: A2 Flash HiderGun Type: Rifle, CarbineGun Make: AR PlatformGun Model: AR-15Included Accessories: StandardCondition: NewBarrel Material: 4150 Chrome Moly VanadiumBolt Carrier Group Included: NoCharging Handle Included: NoFeatures:M4E1 Upper Receiver:New enhanced forging that gives the upper receiver a "billet look";New picatinny profile that blends seamlessly with our Enhanced Series Handguards;M4 Feedramps;.250 takedown pin holes;Laser engraved T-marks;Port door and forward assist installed;ATLAS S-ONE Handguard:Front and rear picatinny rail;Eliminated center of top rail for weight reduction;Indexing grooves in 12:00 position for positive grip control;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 barrels5.56 Threaded Barrel:QPQ, Gas Port Drilled;.0785 gas port;M4 Feed Ramp Extension;HP and MPI testedPackage Contents:Aero Precision M4E1 Threaded 5.56x45mm Complete Upper ReceiverM4E1 Threaded Assembled Upper ReceiverATLAS S-ONE Handguard5.56 Mid Pencil CMV BarrelLow Profile Gas Block and Mid-Length Gas Tube