10.3" 5.56 Carbine Length Modern Series W/9" BA R-One M-LOK Handguard AR15 Complete Upper

Includes:BA AR15 Assembled Upper Receiver9" AR15 BA M-LOK Handguard10.5" 5.56 BA Carbine Length AR 15 Barrel w/ Lo Pro, Modern SeriesCarbine Length Melonite Gas TubeProduct comes completely assembledThis complete upper does not include a BCG, Charging Handle, or Muzzle Device. These products may be selected as add-ons under the drop-down menusAll Parts Made in the USA Atlas Handguard Features:Machined from 6061-T6 AluminumFull top picatinny rail for optional attachmentsM-LOKQuick disconnect sling socket at the 3, 6 and 9 o'clock positionsCompatible with low profile gas blocksATLAS mounting hardware AR15 Upper Features:Forged from 7075-T6 aluminumM4 Feedramps.250 takedown pin holesLaser engraved T-marksIncludes port door and forward assist 10.3" 5.56 Carbine Length Barrel, Modern Series Features:Twist: 1:7 inchesThreading: 1/2X28Material: CrMoVFinish: QPQ Corrosion ResistantGas Block Journal: .750Gas System Length: Carbine LengthWeight: 19 oz