Ruger's american rimfire rifle features a patent-pending power bedding integral bedding block system which positively locates the receiver and free-floats the barrel for outstanding accuracy.The cold hammer-forged barrel results in ultra-precise rifling which provides exceptional accuracy, longevity and easy cleaning.The american rimfire rifle also has a ruger marksman adjustable trigger, tang safety, easy-to-use 10/22-style extended magazine release, and a 3/8" rimfire scope base that is machined into the receiver, which is also drilled and tapped.This standard model has an 18" stainless steel barrel, black synthetic stock with two long length of pull modules, and a detachable, flush-mounted jmx-1 9-round rotary magazine.Metal Finish: Satin StainlessAction: BoltCaliber: 17 HMRBarrel Length: 18"Capacity: 9+1Trigger: Adjustable Ruger MarksmanSafety: TangOal: 37"Weight: 5.30 lbsStock Description: FixedTwist: 1:9"Barrel Description: ThreadedMuzzle: ThreadedReceiver Material: Stainless SteelSights: Scope BaseBarrel Length Range: 18" to 18.99"Weight Range: 5 lbs to 5.99 lbsHand: Right HandStock Finish Group: BlackMetal Finish Group: Silver/Gray