Aero Precision M4E1 Forged Stripped AR15 Upper Receiver – Anodized Black

“Features:New enhanced forging that gives the upper receiver a billet look New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards M4 Feedramps .250 takedown pin holes Laser engraved T-marks Includes threaded forward assist roll pin DOES NOT include port door or forward assistIncludes:M4E1 Threaded Upper Receiver in Anodized BlackSPECSSpecsMade In America• YesPlatform AR15Material Machined from 7075-T6 forged aluminumFinish Anodized BlackCompatibility Works with standard AR15/M16 componentsWeight(s) 6.9 ozOther Barrel Nut Torque – 50 ft-lbs”