Original U.S. Colt M16A2 AR-15 Rubber Duck Molded Training Rifle with Sling ERA The reverse ricasso is etched

The reverse ricasso is etched with a double circle having a shaded center with RZM in the middle

the markings are hard to read

complete with a bayonet and scabbard

It so impressed the British authorities that it was copied as the BESA machine gun for use in armored vehicles

not round barrels

Original U.S. Colt M16A2 AR-15 Rubber Duck Molded Training Rifle with Sling ERA The reverse ricasso is etchedOriginal Item: Only One Available. Colt M16A2 Military issue non functional RUBBER DUCK training and parade rifle. Features genuine M16 metal barrel, muzzle brake, front sight, sling swivels, and other components, all coated in rubber with resin construction. The military calls these rifles Rubber Ducks. This is an actual military issue trainer designed to be the correct weight and size of an M16A2. They are made from decommissioned M16 A1 A2 parts,