BattleHawk Armory Complete AR-15 Performance Bundle – Includes 1x Atrius Forced Reset Selector (FRS) – Super Safety & 1x BHA Precision Golden Hawk 3.5 lb Single-Stage Flat Trigger Take your AR to the next level with this all-in-one upgrade kit—precision engineered for speed, reliability, and confidence on the range or in the field. Buffer requirements: Minimum H2 buffer (H3 recommended) for firearms with carbine extensions and 16” or shorter barrels Standard rifle buffer for 20” A2 stocks