Wheeler Pro-Series AR-15 Armorer's Kit The Wheeler Pro-Series AR-15 Armorer's Kit delivers a complete set of professional-grade tools for building, maintaining, and servicing AR-15 rifles. This 18-piece kit includes purpose-built tools designed for precision and reliability when installing or adjusting components like springs, detents, muzzle devices, and handguards. Ideal for both enthusiasts and professional gunsmiths, the kit comes housed in a durable latching hard case to keep tools protected and organized at home or on the go.