CTK Precision has introduced a line of Ruger Precision Rifle accessories, including a bolt knob (pictured above), stock bumper, and mag release extension. All three items are made in the USA. The bolt knob is CNC machined from aircraft quality 6061 aluminum for high strength and low weight. The extension is CNC machined from high strength steel with a Parkerized finish provides a smooth interface to the factory bolt knob mounting point. Installation uses an internal set screw that can be tightened—allowing the user to clock the bolt knob to suit their preference. Weight: 1.5-ounces. MSRP: $46. The stock bumper prevents the folding stock from making contact with the left side of the action while in the folded position. This eliminates noise and possible damage to the rifle’s finish. Similar to the bolt knob, this stock bumper is CNC machined from aircraft quality 6061 aluminum for high strength and low weight, and finished with hard coat anodizing. Remove the factory length of pull adjustment knob and replace with the CTK stock bumper to install. Weight: 0.4-ounces. MSRP: $19. The ambidextrous mag release extension allows operation of the magazine release without changing grip. This places the magazine release within the reach of your extended trigger finger, leaving your off hand free to remove and replace the magazine. The single screw installation is fast and simple. Weight: 0.3-ounces. MSRP: $37.