Using genuine Colt parts ensures the same fit, finish, and quality found on the original firearm. Made on the same machinery and to the same standards guarantees factory safety, appearance, and proper function. Colt factory parts ensure the firearm will maintain its value over time. This stock features a collapsible style look but is compliant with laws that require a non collapsible style stock. The stock is permanently pinned in place which offers the look of a collapsible style stock but the functionality of a fixed stock.