The White Label Armory AR15 Gas Ring 12-Pack offers premium stainless steel gas rings manufactured to Mil-Spec dimensions for reliable cycling and consistent performance. Designed to prevent gas leakage in your AR15 bolt assembly, this pack contains enough rings for four complete bolt rebuilds. These precision-made components restore proper function and are essential for routine maintenance. Proudly made in the USA, they deliver dependable quality for builders and shooters alike.