Armaspec 90 Degree Full Throw Ambidextrous Safety Selector Bronze. Designed to work with standard mil-spec AR10 and AR 15 lower receivers this safety selector is designed to be lightweight smooth and durable. This means you can put it through regular use without experiencing an issue with operation allowing you to easily swap between firing modes without issue. Plus it has a crisp lockup ensuring it doesn't slip between "Safe" and "Fire" before you are ready. Specifications for Armaspec 90 Degree Full Throw Ambidextrous Safety Selector: Manufacturer: Armaspec Gun Type: Rifle Gun Model: AR-10 AR-15 Hand: Ambidextrous Condition: New Country of Origin: USA Features of Armaspec FT90 Full Throw Ambidextrous Safety Selector: Made for Mil-Spec AR 15/AR10 Lower Receivers Solid Lockup Smooth Operation Package Contents: Armaspec 90 Degree Full Throw Ambidextrous Safety Selector What firearm models does the manufacturer say Armaspec 90 Degree Full Throw Ambidextrous Safety Selector is compatible with? The manufacturer suggests that Armaspec 90 Degree Full Throw Ambidextrous Safety Selector is compatible with AR-15 AR-10Armaspec ARM111-BRZ: 90 Degree Full Throw Ambidextrous Safety Selector Bronze