Looking for the standard selector by itself? See the Atrius forced reset selector. 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 Purchase an H2 Buffer HERE or an H3 Buffer HERE