This mag release is molded from the rugged, heat-stabilized, glass-filled polymer as your original trigger housing. It will speed up your mag changes by turning it in one smooth ergonomic motion. Made by Ruger specifically for their auto-loading 10/22 rifles and Chargers, you know can trust the craftsmanship and durability. The drop in design is easy to install and no gunsmithing is required. Make mag changes a breeze and see what quick convenient access to your mag release can do for you. Not to mention, it looks great too! If you want an ultra high performance precision shooting .22 LR then you need the 10/22 extended magazine release receiver from Ruger!