Brownells BRN-180 Gen 3 : A Piston Rifle that Hits Different
This review of the Brownells BRN-180 Gen 3 piston upper receiver highlights significant improvements over previous generations, focusing on enhanced reliability and user-friendly features. Key upgrades include a toolless adjustable gas system with distinct settings for standard, adverse, and suppressed use, a full-length steel shield in the upper receiver for protection, and an improved left-side charging handle. The review also touches on barrel enhancements for suppressor mounting and initial accuracy testing.













