The IDL AR-10 Billet Bolt Catch - Solid is built from high-quality billet aluminum, offering enhanced strength and durability for the larger AR-10 platform. The solid design ensures reliable bolt catch functionality, even under heavy use, providing consistent operation during reloads and bolt locking. Its precision-machined construction guarantees proper fit and smooth performance. The anodized finish offers added corrosion resistance for long-term reliability. This solid billet bolt catch is a great choice for those looking for a durable, no-compromise upgrade to their AR-10 build.