The AR-15 Magazine Catch Assembly is a critical component designed to ensure reliable magazine retention and smooth magazine changes on any AR-15 platform rifle. This Mil-Spec magazine release assembly includes the magazine catch, magazine release button, and spring, providing everything needed for new builds, repairs, or lower receiver upgrades. Precision-machined for dependable performance, the AR-15 mag catch assembly delivers positive engagement and consistent magazine locking under heavy use. Manufactured from durable steel components with a corrosion-resistant finish, this assembly is built to withstand repeated operation and demanding shooting conditions. Compatible with most standard AR-15 lower receivers chambered in 5.56 NATO, .223 Remington, and other AR-15 calibers, the magazine catch assembly is ideal for tactical rifles, range builds, and custom firearm projects. Easy to install and built to Mil-Spec dimensions, this AR-15 magazine button catch assembly is an essential lower parts component for maintaining proper firearm function and reliability.