Constructed from high grade aluminum

Picatinny top and bottom rail for optics and accessories

・Detonics

and dual injection molding

Functioned to minimize loss of compressions with the double o-ring rubber seals system

CowCow AAP01 150% Recoil Spring Airsoft MP7 Constructed from high grade aluminumAAP01 150% Recoil Spring Highlighted features AAP01 Recoil Spring is made of high strength spring steel. Its short length design with 2 different tensioned coil zone can enhance the efficiency of recoil cycling. Also it can improve the recoil control and make easier handling on blow back cycling. For Action Army AAP01 **Important Notice** It may has a condition that your pistol cannot feed the BB bullet due to lightweight gas supply. You just simple