San Tan Tactical STT Ultra Grip Bolt Catch Black. The thumb pad features our San Tan Tactical Ultra Grip Texture which offers positive engagement and enhances any rifles appearance. The enhanced non-slip grooves and ergonomic paddle design allow for intuitive actuation even with gloves. Specifications for San Tan Tactical STT Ultra Grip Bolt Catch: Manufacturer: San Tan Tactical Fabric/Material: Steel Color: Black Finish: Black Oxide Additional Features: Mil-Spec Compatibility Features of San Tan Tactical STT Ultra Grip Bolt Catch Material: Cast A-2 Tool Steel Finish: Black Oxide Mil-Spec Compatibility Drop-in design Compatible with B.A.D. Lever Package Contents: San Tan Tactical STT Ultra Grip Bolt Catch San Tan Tactical STT-BLTCTCH: STT Ultra Grip Bolt Catch Black