Booligan gives us a sneak preview of the Tippmann Airsoft M4 Carbine that he will review for Airsoft Insider Magazine... "Just a quick preview video to whet your appetites for my full review on the CO2 powered Tippmann M4 Carbine! I have it dialed in for 375 FPS and towards the top end of the rate of fire! Stay tuned for a full review on this game changing airsoft replica!"