There is virtually nothing left to upgrade.The original revolution weighed in at a paltry 7.35 pounds, turning heads for its incredible light weight and small stature for a.308.The revolution di weighs even less at 6.8 pounds with a 16 barrel, making it ideal for just about any situation you put it in.Action: Semi-AutoCaliber: 308 WinBarrel Length: 16.50"Capacity: 20+1Safety: AmbidextrousOal: 34"Weight: 6.80 lbsStock Description: 6 Position MFT BMS MinimalistMuzzle: Muzzle BrakeReceiver Material: AluminumSights: None, Optic ReadyBarrel Description: Match Grade NitrideTwist: 1:10"Barrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Brown/Tan