Tactical Precision Manufacturing TPM Ruger Precision/American Bolt Handle Replacement Blasted Titanium OSFA. This upgraded bolt handle was designed with a 20-degree angle to help improve bolt manipulation and is 5/16-24 threaded for our bolt knobs. Specifications for Tactical Precision Manufacturing TPM Ruger Precision/American Bolt Handle Replacement: Manufacturer: Tactical Precision Manufacturing Gun Make: Ruger Gun Model: Ruger Precision Color: Blasted Titanium Package Contents: Tactical Precision Manufacturing TPM Ruger Precision/American Bolt Handle Replacement What firearm models does the manufacturer say Tactical Precision Manufacturing TPM Ruger Precision/American Bolt Handle Replacement is compatible with? The manufacturer suggests that Tactical Precision Manufacturing TPM Ruger Precision/American Bolt Handle Replacement is compatible with Ruger PrecisionTactical Precision Manufacturing RBH-PA-SS: TPM Ruger Precision/American Bolt Handle Replacement Blasted Titanium OSFA