Brownells has recently announced the next generation of the BRN-180 AR-15 compatible upper receivers, and now with 300 blackout chamberings in BRN-180 and BRN-180S configurations.
Brownells states “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.
All Gen2 BRN-180™ and BRN-180S™ upper receivers are fully compatible with any standard, mil-spec AR-15 lower receiver.”
KEY FEATURES:
– 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
To learn more about Brownells.CLICK HERE
[…] Brownells has recently teamed up with Aero Precision in releasing the M4E1 Superlaitve Arms piston complete upper receiver groups for the AR-15 pattern. […]