Spike's tactical roadhouse semiauto rifle has a gen ii billet upper receiver constructed of 7075-t6 aluminum with an ejection port door, spring, and rod.The gen ii billet lower has proprietary ambidextrous controls, low shelf, is rdias compatible, and has a hard coat anodized finish.The roadhouse rifle also has a chrome lined, thread barrel with a mil-spec phosphate coating; 6-position magpul acs stock; spike's pro grip; hiperfire 24 trigger; and an ambidextrous safety.The free-floating 15" handguard features a m-lok rail and qd attachment points.Its proprietary gas tube has a black nitride finish both inside and out, while the charging handle has a mil-spec type three coating.Included is a hard case.This model has a 20" barrel.Metal Finish: Black Hardcoat AnodizedAction: Semi-AutoCaliber: 7.62x51mm NATOBarrel Length: 20"Capacity: No MagazineTrigger: Single-StageSafety: AmbidextrousOal: 40"- 43.25"Weight: 9.70 lbsStock Description: Adjustable Magpul ACSMuzzle: ThreadedReceiver Material: 7075-T6 AluminumSights: Flip Up Front & RearBarrel Description: Hammer Forged, Chrome LinedTwist: 1:12"Barrel Length Range: 20" to 20.99"Weight Range: 9 lbs to 9.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black