The Rock Island Armory TM22 is a new age rifle, built to the newest standard with the classical attributes needed to pass on for generations It is Total Metal with 7075 Airplane Grade aluminum from end to end. Compatibility with AR type grip, commercial buffer tube adapter, top rail, and forend that takes most after market accessories, this rifle is built for all ages, all types of scenario. - CALIBER .22LR - MAGAZINE (2) 10rd capacity - BARREL 16" - HANDGUARD 15" M-LOK - OPTIC Vortex Strikefire - TRIGGER Flat Blade - STOCK Fixed Aluminum