the standard series is a faithful semi-auto only recreation of the original m14.Keep in mind that the standard m1a is as well suited for a day at the range as it is for filling that special place in your military collection.All the design features that the armed services found essential for a battle rifle make the standard m1a a great shooter.The windage and elevation adjustable rear sight minimizes the effort required to zero the rifle.The two-stage military trigger, detachable box magazine, op-rod and roller cam bolt call to mind the rich history of the m1a while providing functional ease of operation and legendary reliability.This model has a walnut stock with a black parkerized barrel and a muzzle brake.It is ca compliant.Metal Finish: Black ParkerizedAction: Semi-AutoCaliber: 308 WinBarrel Length: 22"Capacity: 10+1Trigger: Two-StageSafety: AmbidextrousOal: 44.33"Weight: 9.30 lbsStock Description: American WalnutMuzzle: Muzzle BrakeReceiver Material: SteelSights: National Match Front, Military Adjustable RearBarrel Description: Carbon SteelTwist: 1:11"Barrel Length Range: 22" to 22.99"Weight Range: 9 lbs to 9.99 lbsHand: RightStock Finish Group: BrownMetal Finish Group: Blued/Black