KAC Version Bolt Catch (Left)|KAC版槍機釋放鈕 (左邊) (網球拍)
2015 KAC Version Gas Firing Pin | 2015 KAC版撞針座
KAC GFPA`15|KAC 瓦斯撞針座總成 2015版
2015 M4 Version Gas Firing Pin | 2015 M4版撞針座
M4 Version Bolt Catch|M4版槍機釋放鈕 (網球拍)
Recoil Buffer Retainer|緩衝桿頂梢