M16A1 Birdcage Steel Flash Hider Assembly｜M16A1 鳥籠鋼製防火帽總成

M16A1 Birdcage 6 Slot (Slots All Around) Flash Hider.
Steel CNC Processing.
Clockwise 1/2-28 TPI Inner Thread, Colloquial Called CW 12 mm In Airsoft.
M16A1 鳥籠六孔（全開）防火帽。
鋼製 CNC 全切削。
順時針 1/2 英寸內牙規格，玩具槍通稱 12 mm 正牙。