为M4系列

套装包括：

# Stock and pipe Stock ring
# QD sling swivel
# Accessory compartments x2
# Cheek weld adapter x2
# Intellect-1400-mAh-12V battery
# Extend wire
# Screws

每个配件可以存2个123A号电池或Intellect-1400mAh电池。
材质：尼龙纤维和钢