The Target models qualify as the "standards" of Bushmaster's line, available with chrome-lined heavy profile, match grade, or stainless steel barrels. The A2 upper receiver has a 300 - 800 meter rear sight system. This item comes with a 20" heavy profile, chrome-lined, match grade barrel. Chromoly barrel - and other exposed steel parts of the weapon - are manganese phosphate finished to insure protection against corrosion or rust. Shipped with a 30 round magazine and operating and safety instruction manual. One year Bushmaster warranty.