Description

The Aero PrecisionA(R) M4E1-E AR-15 16″ 5.56 NATO Upper Receiver w/ Enhanced Quad-Rail 15″ M-LOKA(R) Handguard is a complete upper receiver group designed to speed up your next rifle built. The M4E1 Upper Receiver is forged from 7075-T6 aluminum with a corrosion-resistant anodized finish and is precision-machined to M4E1 specs. This upper receiver features laser engraved T-marks and comes assembled with the port door and forward assist installed. Compatible with standard AR-15 components, this upper receiver features a handguard mounting platform that is forged into the receiver and comes with the barrel nut and wrench. Plus, this upper receiver works with Aero Precision handguards but also fits most BAR-system handguards as well. The GEN 2 Enhanced M-LOK Handguard features a new profile, continuous Picatinny top rail in addition to 3 more rails at the 3, 6, and 9 o’clock positions for plenty of room for your favorite weapon-mounted accessories while built-in anti-rotation tabs ensure a secure, wobble-free fit to the upper receiver. features quick disconnect sling sockets at 3, 6, and 9 o’clock positions for use with your favorite rifle slings and boasts milled additional surfaces along the flats to aid with ergonomics while also adding visual appeal. A 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors. If that’s not enough, this handguard boasts a 1-piece free-float design and is compatible with low-profile gas blocks. To top it off, this M-LOK handguard is machined from 6061-T6 aluminum with a corrosion-resistant anodized finish. The 16″ 5.56 HBAR Barrel is constructed with 4150 Chrome Moley Vanadium steel with a corrosion-resistant QPQ finish. This barrel is compatible with mid-length gas systems and features a .750″ gas block journal. The M4 feed ramp extension ensures smooth, reliable feeding and this barrel is HP and MPI tested. Plus, it comes with a standard A2 flash hider. Includes M4E1-E Threaded Upper Receiver, Gen 2 Enhanced Handguard with Quad Rail, A2 Birdcage Flash Hider, low-profile gas block, and mid-length gas tube. Product comes assembled. BCG and charging handle NOT included. Made in USA.