Marine Battery Stock II F.R.S. Kit (Shorty) (Black)

GP-COP083BK

-Come with 8mm Bearing Gearbox (F.R.S.) / Recoil Parts

-Material: Aluminum,PA+GF & Die-Cast

-Maximum can fit 7.4v 1000mAh (30C) Li-Poly Rechargeable Battery

-Included QD sling clip & thick stock end pad

-For G&P M4 / M16 Metal Body Series