Anarchy Outdoors Rimfire Ruger Precision / American Bolt Handle Right Hand Black. It also has a Black Nitride finish option which reduces wear and corrosion. The threads on this bolt handle accept any of our 5/16 X 24 TPI bolt knobs which is an add-on option at the time of purchase. Specifications for Anarchy Outdoors Rimfire Ruger Precision / American Bolt Handle: Manufacturer: Anarchy Outdoors Fabric/Material: 17-4 Stainless Steel Condition: New Gun Make: Ruger Gun Model: Ruger Precision Rimfire Ruger American Rifle Rimfire Hand: Right Dimensions: 2.67 x 0.5 x 0.5 in Threads per Inch: 5/16x24 Weight: 2 oz Package Contents: Anarchy Outdoors Rimfire Ruger Precision / American Bolt Handle What firearm models does the manufacturer say Anarchy Outdoors Rimfire Ruger Precision / American Bolt Handle is compatible with? The manufacturer says that Anarchy Outdoors Rimfire Ruger Precision / American Bolt Handle is compatible with Ruger American Rifle Rimfire Ruger Precision RimfireAnarchy Outdoors 791617485600: Rimfire Ruger Precision / American Bolt Handle Right Hand Black