The spartan rifle features an aluminum receiver with a laser engraved spartan logo, cold hammer-forged chrome-moly barrel with 1/2"x28 threads, and magpul pro front and rear sights.It also has a two-stage trigger, 6-position magpul moe sl stock, and ambidextrous safety.Metal Finish: Custom Distressed Bronze CerakoteAction: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: No MagazineTrigger: Mil-SpecSafety: AmbidextrousOal: 32"-35.25"Weight: 6.81 lbsStock Description: 6 Position Magpul CTRMuzzle: Muzzle BrakeReceiver Material: 7075 T6 AluminumSights: Flip Up Front & RearBarrel Description: Chrome-Lined Cold Hammer-ForgedTwist: 1:7"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Brown/Tan