Brownells has recently expanded on their popular BRN-180 series of upper receivers wtih new 14.3 and 13.9 inch lengths chambered in .223 Wydle.
Brownells states “The BRN-180 uppers combine the best design aspects of the original AR-180 with modern upgrades like an integral Picatinny rail for easy optics mounting and a free-float handguard to help maximize accuracy.
The two new BRN-180 uppers will offer the same adjustable short-stroke gas piston system as the other BRN-180 uppers and feature a recoil mechanism completely contained in the upper – allowing for use with a folding stock, or no stock at all.
Both uppers will drop seamlessly onto any standard AR-15 lower, or any purpose-built BRN-180 lower receiver.
Because both uppers have barrels shorter than 16” all NFA rules apply. Uppers do not come with muzzle devices to allow customers the option to pin and weld one into place.”
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