The Bushmaster carbines combine light weight with plenty of .223 caliber firepower. The chrome lined barrel offers maximum longevity and accuracy. A telescoping buttstock brings light weight, ease of carrying and quick handling. Forged, lightweight 7075T6 aircraft quality aluminum receivers are designed for simplicity of maintenance and reliability of operation. They incorporate all design improvements including cartridge case deflector, last round bolt hold open and raised ridges for magazine release button protection. A manganese phosphate outer coating insures complete protection against corrosion or rust on the barrel and all other critical steel parts of the weapon. The carbine includes a permanently installed Bushmaster izzy flash suppressor and is shipped in a Bushmaster hard plastic, lockable storage case complete with black web sling, 30 round magazine, operating and safety instruction manual.