Constructed of metal, the Hammerli TAC R1 .22 rifle is solid and affordable. It comes standard with features that make it one of the most versatile .22 LR AR-style rifles available. Out of the box it is ready for a fun day of plinking.The 13" M-LOK handguard is constructed of lightweight aluminum and can be accessorized like an AR-15 rifle. It does come equipped with a MFT Minimalist stock, ergonomic grip, removable flash-hider and flip up back-up sights. The Hammerli Tac R1 sets a new standard for perfomance and value.Walther Hammerli Tac R1 Specifications and Features:Walther Item Number: 5760500Semi Automatic RifleCaliber: .22 LR16.1" 1/2"-28 Threaded BarrelRemovable Flash-HiderAluminum Upper and LowerM-LOK HandguardFlip Up SightsFive (5) Position MFT Minimalist Adjustable Stock20 Round MagazineUses: Training, Plinking, Varmint Control, Small Game Hunting