Enhance the functionality of your Tiger Rock PBS AR-15/10 Push Safety Button Kit Black. PBS Push Safety Button Kit, designed for precision and reliability. This kit is engineered from hardened tool steel, ensuring durability and a perfect fit on all Mil-Spec receivers. Enjoy easy engagement and disengagement for seamless operation. Precision Machined from Hardened Tool Steel Fits all Mil-Spec Receivers Easy Engage and Disengage Complete kit: Includes Button, Detent and Spring Finish options: Black Oxide Ambidextrous Operation Upgrade your firearm's safety mechanism with this essential kit from Tiger Rock Inc.