BOOLIGAN's Project Update: Amoeba Airsoft M4 with M203 and Madbull Omega Rail - On YouTube | Thumpy's 3D House of Airsoft™ @ Scoop.it | Scoop.it

“I had this front end installed on a different AEG platform, decided to toss it on my Amoeba M4. Now I’ve got a programmable gearbox, quick change spring, and a sexy front end. Aw yiss….”