The su-16ca is a hybrid of the su-16c and su-16a rifles.It comes with the same 16-inch barrel with chrome-lined bore and chamber and 1/2-28 threads as the c model.All features from the c model are retained and combined with the stock of the a model.The su-16ca comes with two 10-round magazines that store in the stock and all the same parkerized parts as the c model.Like the a model, the su-16ca can be folded for storage, and it will not fire in the folded position.This allows for it to be purchased in most states that still have an "assault weapons ban"Metal Finish: BlackAction: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 10+1Trigger: Single-StageSafety: CrossboltOal: 35.90"Weight: 4.70 lbsStock Description: Fixed Storage CompartmentReceiver Material: PolymerSights: Adjustable IronBarrel Description: Chrome LinedTwist: 1:9"Barrel Length Range: 16" to 16.99"Weight Range: 4 lbs to 4.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black