Aero Precision Mil-Spec 16" Classic Upper 5.56x45mm Carbine-Length, Black

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Carbine Barrel w/ Pinned Front Sight Base M4 Handguard Black. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome Moly Vanadium with an anodized finish to ensure maximum durability and resistance to corrosion. This Aero Precision 556 complete upper includes a standard A2 flash hider M4-style handguard 16in 5.56 barrel and other accessories depending on what model you select. Available with carbine-length or mid-length gas systems these 16in AR 15 uppers are undeniably tough and built to perform in any situation. Grab yours today to upgrade your AR build with premium gun parts from Aero Precision. Specifications for Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard: Manufacturer: Aero Precision Caliber: 5.56x45mm NATO Barrel Length: 16 in Barrel Profile: Government Barrel Twist Rate: 1-7 Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Fabric/Material: 4150 Chrome Moly Vanadium Gas Block Journal Size-Diameter: .750 in Gun Rail: Picatinny Gun Type: Rifle Gun Make: AR Platform Weight: 69.76 oz Magazine Included: No Country of Origin: USA Features of Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard Upper: Standard AR15 Upper Receiver Barrel: 16in 5.56 CMV Mid-Length or Carbine-Length Barrel w/ Pinned FSB Handguard: M4 Style Handguard Gas System: Mid-Length or Carbine-Length Gas System Muzzle Device: Standard A2 Flash Hider Package Contents: Aero Precision AR15 16in 5.56 Complete Upper Receiver with Flash Hider with Pinned FSB M4 Handguard This product is compatible with the following gun models: AR-15 Aero Precision APAR505621: AR15 Complete Upper Receiver 16in 5.56 Carbine Barrel w/ Pinned Front Sight Base M4 Handguard Black