Brownells BRN-4 16 in Complete Upper Medium BBL 13.5 in Handguard & FH

Description

Product Overview

The Brownells BRN-4 16 in complete upper receiver is assembled from all-new components and ready to mount to your AR-15 lower. It features a Faxon 16 in medium-profile 5.56x45mm NATO barrel with 1-7 twist, a 13.5 in Midwest Industries MLOK handguard with a full-length Picatinny rail, and an installed forward-vented gas system and muzzle device for a balanced shooting setup.

Key Features

• Complete, assembled upper with barrel, gas system, handguard, and muzzle device installed
• Faxon 5.56x45mm NATO 16 in barrel, button rifled, 1-7 twist with 1/2-28 threads
• 13.5 in Midwest Industries MLOK handguard with full-length Picatinny rail for flexible optics and accessories
• Billet aluminum upper receiver with matte black hard coat anodizing
• New bolt carrier group with forged 8620 steel carrier and slick nitride finish plus 9310 tool-steel bolt
• Vented-forward gas block configuration designed for reduced gas sent rearward into the system

Attach it to your AR-15 lower and you’re ready for the range with a purpose-built upper that’s test fired before packaging.