New CMMG M4 carbine. This is a 16 inch M4 upper, M4 profile barrel, M4 double heatshield handguards, shaved gas block complete CMMG rifle. The barrel is 1/9 twist. This rifle has the new CMMG WASP finish and is so marked on the barrel. Must ship to FFL. No sales to California or anywhere else were prohibited(you know who you are..).