M4 Style Magazine Catch Assembly|M4彈匣卡榫總成
Trigger Assembly|扳機總成
Pivot & Takedown Pin Assembly|槍身前後插梢總成
Grip (A1 Type)|握把 (A1 型式)
Grip (A2 Type)|握把 (A2 型式)
Trigger Guard|扳機護弓