Introducing TandemKross Magazine Follower Button for Ruger Mark Series. A reliable magazine is arguably just as important as a reliable pistol. TANDEMKROSS now has another way to maintain and even BOOST your firearm's reliability! Introducing, the Magazine Follower Button for Ruger Mark Series (2-Pack). It is painfully easy to lose mag follower buttons, and over time, they may begin to wear and negatively impact your magazine's ability to feed properly. Now you can easily replace any old buttons and have spares on deck! Made of a non-galling material, these buttons create less friction than the OEM follower buttons. This allows for the magazine follower to glide smoothly while feeding and when you reload your magazine. The material and design also offer a clean, sharp look. Visually confirming which magazines have been upgraded with this must-have part is easy to do, thanks to its unique appearance. What are you waiting for? Replace missing or broken parts and upgrade your Ruger Mar...