Brownells has announced for 2019 their new BRN-180™ which is a complete upper assembly for the AR15 platform. The BRN-180™ was designed with the help of Primary Weapon Systems and FM Products which takes the Armalite AR-180 as it’s inspiration for this new upper.
Brownells states “Like the original, the BRN-180™ bolt carrier rides smoothly on a PAIR of guide rods. The carrier is buffered at the rear by a built-in polymer buffer with a molded-in steel plate that captures the guide rods. The bolt replicates the original AR-180 bolt design, right down to its use of a standard AR-15 extractor. Far more noticeable to the shooter is the charging handle located on the forward LEFT side of the receiver.Wait – we know what you’re dying to ask. Yes, the BRN-180™ upper receiver is fully compatible with any standard, mil-spec AR-15 lower receiver.
The 16″ barrel is forged from extra-strong 4150 carbon steel, with a hard Nitride finish that really resists surface wear. The BRN-180 is chambered in .223 Wylde – for extra flexibility in ammo choice – with 1-8″ rifling, so it handles both .223 Remington and military-type 5.56mm NATO ammo with equal aplomb. Up front there’s a replica of the AR-180’s unusual three-prong flash hider: the hemispherical bottom prong helps prevent the muzzle blast from kicking up a dust signature when shooting prone. Standard ½-28 tpi muzzle threads let you swap on a modern AR-15 muzzle device should you be bitten by the customizing bug.”
-Ultra-reliable AR-180 piston operating system
-Compatible with current mil-spec AR-15 lowers
-Machined 7075 T6 aluminum receiver & handguard – hardcoat anodized finish
-16″ barrel with matte black Nitride finish
-.223 Wylde chamber
-Button rifled bore; 1-8″ twist
-½”-28 threaded muzzle
-Replica 3-prong AR-180 flash suppressor
-Molded polymer ejection port cover
-Cartridge: 223 Wylde