Description

The Aero PrecisionA(R) AR-15 8″ .300 Blackout Upper Receiver w/ ATLAS S-ONE 7.3″ M-LOKA(R) Handguard – Blemished is a versatile and easy way to complete your next .300 Blackout build. The M4E1 Threaded Upper Receiver features lightweight aluminum construction and a corrosion-resistant anodized finish. The flat-top Picatinny profile blends seamlessly with Aero Precision’s Enhanced Series Handguards for a clean, monolithic appearance, while the .250″ takedown pin holes make assembly and disassembly with your rifle’s lower receiver easy, and the laser engraved T-marks make mounting your favorite optics or iron sights a breeze. Plus, this upper receiver comes with the port door and forward assist installed. The ATLAS S-ONE Handguard is compatible with low-profile gas blocks and with Mil-Spec AR-15 upper receivers and barrels for a true drop-in design. A rear and front Picatinny rail provides room for your favorite iron sights or optics while quick disconnect sling sockets at the 3, 6, and 9 o’clock positions let you take advantage of quick disconnect rifle slings. What’s more, this handguard is also constructed with anodized aluminum for unmatched strength. This upper receiver group comes with an 8″ .300 Blackout Barrel that is constructed with 4150 Chrome Moly Vanadium steel with a corrosion-resistant QPQ finish. This barrel boasts a 1:7 twist for superior precision with a 5/8×24 thread pitch for compatibility with your favorite weapon-mounted accessories. This barrel features a .109″ gas port, comes with a .750″ gas block, and is compatible with pistol-length gas systems. Better yet, this barrel is HP and MPI tested and features an M4 barrel extension for smooth feeding. Includes M4E1 Threaded Upper Receiver, ATLAS S-ONE Handguard, 8″ .300 Blackout Barrel, low-profile gas block, and pistol-length gas tube. Product comes assembled. BCG and charging handle NOT included. The included muzzle brake is NOT pinned nor welded to the barrel. Product may show signs of wear, including scratches, scuffs, and other blemishes. Made in USA.