Bushmaster 3F 223 16IN ORC GAS OP Complete Specs and Full Gun Specifications

The Bushmaster Gas Piston ORC bring new levels of reliability to the "AR" type rifle platform by eliminating carbon build up, gas leaks and heat within the Upper Receiver. The Gas Piston System operates by tapping gas pressure off the barrel much like the systems found on AK-47s and FALs. This Gas Piston O.R.C. (Optics Ready Carbine) is designed for shooters who intend to add optics such as holographic sites, scopes, or red dots.