为M4系列

套裝包括:

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

每個配件可以存2個123A電池或 Intellect-1400mAh電池。
材質：尼龍纖維和鋼