ICS M4 TMAG 300 Round Hicap AEG Magazine Rail Interface Systems A unique airsoft piston that

A unique airsoft piston that has a combination of nylon and metal teeth to reduce weight

Great standard gear set for any airsoft gun

and a with soft interior lining materials

Nine Ball Marui hi capa Gas Route Sealing Rubber Packing (2 pack) for your Marui

Fits in all M4/M16 airsoft AEG variants

ICS M4 TMAG 300 Round Hicap AEG Magazine Rail Interface Systems A unique airsoft piston thatICS M4 TMAG 300 Round Hicap AEG Magazine. Fits in all standard AEG M4 airsoft guns. High quality polymer and advanced grip design for durability and non slip grip control. Inner clear window to view mag capacity when getting low. Comes in two colors: Black and Tan Made by ICS, but compatible with all M4 AEG guns (Marui, JG, Valken, G&G, Classic Army, VFC, ICS, etc)