Vega Force Company (VFC) unveil their latest M4 gas blowback rifles, the VFC SOPMOD II RIS II/FSP Forging Series Gas Blowback Rifle Series... "The Forging Series - M4 SOPMOD II RIS II / RIS II FSP, the best M4 SOPMOD GBBR you can find! Colt and Daniel Defense license authorized marking for receiver and handguard. the machining SOPMOD M4 14.5" heavy barrel,parts, full CNC process realistic bolt carrier and fire control all made by STEEL!