KAC Combat Style Trigger Guard |類 KAC Combat 扳機護弓
Hammer & Trigger Pin Set|擊鎚及扳機軸梢組
Replica Hammer Assembly (Auto)|仿真擊鎚總成全自動版
Auto Sear Assembly|全自動撥片總成
Safe-Semi-Auto Selector Assembly (M4 Version)|保險-半自動-全自動 射擊選擇鈕總成(M4版)
M4 Style Magazine Catch Assembly|M4彈匣卡榫總成