Outfit your M4 carbine style airsoft rifle with this unique stock option from Big Dragon. This futuristic stock can be locked in multiple positions to achieve the perfect level of comfort and rifle stability. Constructed fully from heavy-duty polymer, this stock is lightweight and extremely resilient to drops and shock. The universal design of this MIL-SPEC stock allows it to be easily installed on most M4 style airsoft rifles. The extended shoulder pad contours to the natural shape of the users shoulder area, and can be used with an additional cushioned pad or as is.