Replica Colt M4 Rifle: Full Size, full weight, removable mag with 5 rounds of dummy 5.56mm Ammo. Field strips like the original, Stock has five point adjustment, Front and rear sight fully adjust, just like the originals. Bolt/Charging Handle removes for Field Strip training demonstration. WILL NOT CHAMBER AND EJECT DUMMY AMMO (As Per Federal Law)...This gun is so realistic we can't tell it from the real thing even up close. The only Plastic on the gun is the buttstock, Pistol Grip, and the handguard on the standard model....The R.I.S. versions have an all aluminum handguard. This is a great gun.