The new Brownells BRN-180™ and BRN-180S™, designed in conjunction with PWS and FM Products, incorporate many of the improvements found in the AR-18/AR-180 rifles originally introduced in the 1960s, including a robust, reliable gas piston operating system. Key features include:

Adjustable Gas System now on ALL models

Simplified, more secure Gen2 handguard attachment system (see below)

Ultra-reliable Short Stroke type piston operating system

Ideal for folding stock/brace (see below)

Compatible with ANY current mil-spec AR-15 lower

Machined 7075 T6 aluminum receiver & handguard with hardcoat anodized finish

Barrels of extra-strong 4150 carbon steel with a tough, matte black Nitride finish

Button rifled bore with 1-8" twist

Replica three-prong AR-180-style flash suppressor

1/2"-28 tpi threaded muzzle (5/8"-24 tpi .300 Blk)

Molded polymer ejection port cover

All Gen2 BRN-180™ and BRN-180S™ upper receivers are fully compatible with any standard, mil-spec AR-15 lower receiver. Add one to your collection today!